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A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.
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| Number | Title | Issue Date |
| 7421071 | Call progress tone generation in a communication system A method of operating a wireless calling device comprises connecting to a call tone provider configured to provide call tones, transferring a plurality of call tone requests to the call tone provider, receiving a plurality of call tones from the call tone provider i... | 09/02/2008 |
| 7386117 | Efficient handling of ISDN connections by a packet-oriented exchange The invention relates to the representation, independent of access type, of ISDN accesses (PRA, BRA) in the central core (cVst) of a packet-oriented exchange (P-Vst). By adapting the signaling information transmitted by ISDN accesses in a peripheral unit (PE) it is ... | 06/10/2008 |
| 7203304 | Call progress tone generation in a communication system In a communication system, call tones are individually associated with call messages. The communication system comprises a wireless communication system and a wireless user device. The wireless user device transfers a call tone request to the wireless communication ... | 04/10/2007 |
| 7200417 | Method and apparatus for reformatting caller identification from different communication networks A communication device (200) operates on a plurality of communication networks (104, 110) and utilizes a method (400) for reformatting a caller identification received from one communication network (110) to match the caller identificatio... | 04/03/2007 |
| 7113584 | Digital communication translator A digital communication translator for redirection of preprogrammed instructions and/or information from a digital alarm communicator system or digital communicator transmitter. The inventive device includes an integrated circuit board containing memory ships with i... | 09/26/2006 |
| 7110530 | System and method for providing universal access to voice response systems A present invention comprises a device and method for monitoring dial pulse (DP) signals on a line and recognizing a digit pattern comprising at least one digit on the line. In response to the recognized digit pattern, the invention determines when to initiate trans... | 09/19/2006 |
| 7104686 | Radiographic apparatus A radiographic apparatus includes a detection section including photoelectric conversion elements that detect radiation that has been transmitted through a subject. The apparatus has a substantially rectangular detection surface; and a housing that contains the dete... | 09/12/2006 |
| 7050564 | Call progress tone generation in a communication system A communication system is disclosed that generates call progress tones for a call. The communication system is comprised of a calling device and an originating system. Examples of the calling device include a telephone, a cellular phone, a computer, and a fax machin... | 05/23/2006 |
| 6970544 | Method and apparatus for caller ID system An apparatus and method are disclosed for accessing telephone or cellular originating central office equipment to control the disclosure of a calling party directory telephone number or, if applicable or available, directory telephone number and name to a called par... | 11/29/2005 |
| 6920183 | Crosstalk equalization for input-output driver circuits Embodiments of the present invention mitigate crosstalk by equalizing transmit signals in a data dependent fashion. ... | 07/19/2005 |
| 6754336 | Telephone apparatus with hearing assistance A telephone apparatus is disclosed which comprises: a receiving portion for receiving a telephone signal and generating a voice signal from the received telephone signal; a frequency conversion portion responsive to a control signal for frequency-converting the voic... | 06/22/2004 |
| 6671369 | Method and apparatus for returning a false special information tone for an incoming telephone call A method and apparatus (10) for returning a false signal substantially similar to at least a first portion of a special information tone (SIT) after a device receiving an incoming telephone call puts the telephone line (11) in an off-hook condition is pro... | 12/30/2003 |
| 6408068 | Modular telephone An electronic system such as a modular telephone which includes one or more module slots used to add features. The module slots are configured to receive modules adding the software and hardware necessary to provide the desired features.... | 06/18/2002 |
| 6366669 | System and method for providing universal access to interactive voice response systems A system and method for allowing callers using DP telephones to access IVR systems, including monitoring DP signals until a dialed digit is recognized, where the DP signals are generated by a transmission element and received by a reception element within... | 04/02/2002 |
| 6353621 | Method to allow seamless service to mobile subscribers across various mobile switching centers supporting multiple intersystem standards The invention provides systems, including a methods and apparatus, for providing seamless telephone service across MSC's that support multiple or different protocols. In accordance with a preferred embodiment of the invention, the home mobile switching ce... | 03/05/2002 |
| 6236724 | Methods and apparatus for encoding and decoding data transmitted over telephone lines A method of generation and detection of acoustic signals carrying alpha-numeric data for reducing the effects of noise and thereby improving signal transmission without the need to boost the power of the signal. In accordance with one aspect of the invent... | 05/22/2001 |
| 6054941 | Apparatus and method for inputting ideographic characters An apparatus (100) and method for inputting ideographic characters. The apparatus (100) has an input pad with a predetermined number of input keys (102, . . . 111). Theoretically, at least a stroke and a radical are mapped to each input key (102, . . . 11... | 04/25/2000 |
| 6049604 | Telephone dialer having at least one speech synthesizer processor A method and circuit for generating speech and DTMF tones in a hand-held dialer which includes a memory for storing predetermined speech and tone signal data and a speech processor for selectively retrieving a sequence of the predetermined speech and tone... | 04/11/2000 |
| 6009444 | Text input device and method A text input device (10) and a method of data entry for entering text in a language (e.g. Zhuyin phonetic Chinese), in which a character is representable as a first symbol selected from a first subset of symbols and a second symbol selected from a second ... | 12/28/1999 |
| 5960075 | Switchmode power converters for telephone subscriber line interface circuits A power converter forming part of a telephone subscriber line interface circuit selectively generates a ringing signal waveform, for supply to the line, or a supply voltage for a driver circuit for providing loop current on the line. First and second fixe... | 09/28/1999 |
| 5952942 | Method and device for input of text messages from a keypad A method of text entry into a device by activating keys of a keypad (16), where a key represents various characters. Input is delivered to a processor (30) corresponding to the keys activated. A dictionary (33) is searched for candidate combinations of ch... | 09/14/1999 |
| 5920623 | Method and apparatus for defeating a predictive telemarketing system A method and apparatus for defeating a predictive dialing telemarketing system includes a signal generator in the nature of an oscillator (18) that is capable of creating a 914 Hz sine wave that substantially imitates the first tone of an intercept Specia... | 07/06/1999 |
| 5859905 | Cycle-modulating type of dual-tone multifrequency generator A cycle-modulating DTMF generator for generating a DTMF signal; the generator comprises a programmable time-pulse generator, counters or up/down counters, a memory unit for storing data, a digital adder, and a digital-to-analog converter. The circuit of s... | 01/12/1999 |
| 5784558 | Method and apparatus for testing of extended ISDN BRI service An enhanced ISDN-DP transmission device of the present invention allows for testing of ISDN-protocol communication paths using an existing DDS-protocol test infrastructure. The ISDN-DP unit receives a DDS test command and determines whether the command wa... | 07/21/1998 |
| 5781625 | System and apparatus for generating within the premises a dial tone for enhanced phone services A system and apparatus includes a premises phone connected to a phone network along a first communication channel. A dial tone controller generates within the premises a dial tone along a second communication channel to a switch and to the premises phone.... | 07/14/1998 |
| 5706340 | Telephone apparatus including circuit for producing dial data from serial key data A serial data generating circuit and a key input signal generating circuit are provided at a panel substrate side, and input key data are transmitted in series to a main substrate side of a telephone apparatus. The number of signal lines connected between... | 01/06/1998 |
| 5638437 | Telecommunication system and method enabling a user to get access to an automated call processing from a central station operating on pulse dialling mode The present invention is related to a telecommunication system and method enabling a user to get access to any of automated call processing systems. The system comprises in combination a telephone line interface means adapted to provide function of a tele... | 06/10/1997 |
| 5638435 | Impulse signal convertor An impulse convertor for converting a received telephone impulse dialing signal into a restored dialing signal has a limiter-amplifier, a signal detector, an output formatter, and a controller. The limiter-amplifier receives the impulse dialing signal fro... | 06/10/1997 |
| 5497373 | Multi-media interface A multi-media interface universally and flexibly supports present (and contemplated) messaging applications including voice mail, facsimile mail, electronic mail, interactive voice response, automated attendant surface services, audio text services, elect... | 03/05/1996 |
| 5425096 | Communication device A circuit for generating dial pulses and a circuit for forming the direct current loop of a line have conventionally been made up of relays and a coil. In the present invention, these circuits are made up of components, such as capacitors and a semiconduc... | 06/13/1995 |
| 5359598 | Voice server for digital communication network An interface for coupling a standard telephone set to a distributed digital network for allowing digital voice communication over the distributed network such that the utilization of the distributed network is wholly transparent to the user. An interface ... | 10/25/1994 |
| 5299261 | Arrangement for effecting segmentation of a dialed number Any valid displayed called number may be properly visually segmented by a call-processing arrangement (200) that uses stored definitions of syntax (320, 350) and grammar (400, 410) of the whole network numbering plan. The syntax definitions include defini... | 03/29/1994 |
| 5280523 | Telephone line message waiting and ring indicator A visual indicator circuit is provided for visually indicating that a telephone is ringing or that a message is waiting. The circuit includes a visual indicator such as a light emitting diode (LED), a voltage triggering circuit for triggering when a minim... | 01/18/1994 |
| 5239542 | Time division multiplex switching system for interconnecting telephone circuits which operate in accordance with different signalling systems and call formats A time division multiplex switching system converts call formats and signalling protocols so that calls can be interchanged between circuits originating in different networks thereby providing a gateway for telephone transmissions originating from sources... | 08/24/1993 |
| 5228079 | Method and apparatus for pulse/tone detection and selection A method and apparatus for permitting a telephonic device to select the mode of dialing, pulse or tone, which is proper for the local telephone network interface to which it is connected.... | 07/13/1993 |
| 5208852 | Sound generation circuit A sound generation circuit for producing a dual tone which includes memory circuitry for storing data for controlling production of the dual tone, selection circuitry for selecting data stored in the memory circuitry and frequency dividers for producing a... | 05/04/1993 |
| 4962520 | Composite ringing and coin control voltage detector and method In a telephone system, a composite detection circuit and method for use in mechanized loop testing to detect both AC ringing and DC coin control voltage at a test access unit. An equalization circuit distinguishes between the two voltages and selectively ... | 10/09/1990 |
| 4947423 | Communication apparatus with facilities for changing to a pulse or dial mode A communication apparatus includes a pulse dial signal generator, a tone dial signal generator, a switching circuit including a self-return switch and a self-non-return switch, for switching the pulse dial generator and the tone dial generator, a pluralit... | 08/07/1990 |
| 4939774 | Method for controlling a digital telephone set and a telephone set based on the same A method for controlling a digital telephone set coupled to an integrated services digital network, includes the following procedure. It is determined whether a telephone number of a destination terminal which is given by sequentially inputting digits for... | 07/03/1990 |
| 4907262 | Method of transmitting dual tone multi-frequency during communication in a private branch exchange using keyphones A dual-tone multi-frequency (DTMF) transmission method to allow a keyphone user of a private branch exchange system (PBX) to send the DTMF signal according to dial digits depressed, through a DTMF sender built in the PBX itself, even though there is no DT... | 03/06/1990 |
