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| Number | Title | Issue Date |
| 7329823 | Movable contact element and panel switch formed using the same A movable contact element includes a base sheet provided on its bottom surface with adhesive portions which are dotted around; an adhesive portion with a predetermined width which surrounds the entire edges of the base sheet; adhesive portions with a predetermined w... | 02/12/2008 |
| 7305824 | Power-off hold element A power-off hold element for operating in cooperation with an actuator is disclosed. The power-off hold element comprises a material having selectively adjustable rigidity wherein a position or shape of said material is adjustable when energy is applied to increase ... | 12/11/2007 |
| 7250937 | Hard base key unit A first object is to provide a key unit capable of preventing a problem that a key top gets under a key window frame of a casing of a movable telephone or the like during key pushing down, and capable of preventing floating of the key top and interferences with move... | 07/31/2007 |
| 7162026 | Alert muting method through indirect contact for portable devices The invention generally relates to a method for muting an alerting portable device such as a ringing cell phone or alarming PDA. Specifically where muting is activated in a means not requiring direct contact with the keys of the device. The indirect contact such as ... | 01/09/2007 |
| 7142666 | Method and apparatus for selectively disabling a communication device The present invention is directed at a telephone that automatically selectively disables a microphone when the microphone is moved out of close proximity to the user's mouth. One embodiment comprises a sensor that detect if the telephone microphone is in close proxi... | 11/28/2006 |
| 6912411 | External power supply control system for cellular phone An external power source control system for a portable telephone includes: a regulator 5 connected at an input thereof to a battery power source 1 or an external power source 2 and outputting a power supply voltage; a one-shot pulse generating c... | 06/28/2005 |
| 6690793 | Click free mute switch circuit for telephones A circuit for eliminating switching noise from a mute switch connected between a microphone capable of receiving and transmitting audio signals to a communication system, comprising, a switch state detector connected to the mute switch for generating an o... | 02/10/2004 |
| 6600904 | Structure of a bracket component for the press button of a mobile phone The present invention relates to an improved structure of a bracket component for the press button of a mobile phone, more particularly to another improved design implemented in the interior of a printed circuit board having control button on it for a bra... | 07/29/2003 |
| 6542436 | Acoustical proximity detection for mobile terminals and other devices A method and a device for detecting if an object is in proximity to the device, wherein sound (audio) transducers already found in the device are used to realize the proximity detection function, along with digital signal processing or equivalent means. T... | 04/01/2003 |
| 6423171 | Keypad for portable telephone and manufacturing method thereof A keypad for a portable telephone and manufacturing method thereof is disclosed. The method comprises the steps of printing characters on a transparent, planar film; pre-forming the planar film through a pressing process such that the planar film has a pr... | 07/23/2002 |
| 6363146 | Reset device A reset device is disclosed which may be used in electrical devices such as portable telephones. The reset device includes a source, such as a rechargeable battery, which provides an input voltage and a threshold voltage. The reset device also has a compa... | 03/26/2002 |
| 6148183 | Switch assembly for an electronic device An electronic device (100) includes a housing (104), a substrate (257) seated in the housing (104), and a switch assembly (122) positioned in the housing (104). The switch assembly (122) has a body (200), contact pads (204), and contact arms (202). The co... | 11/14/2000 |
| 6111939 | Method and apparatus for processing caller identification in a power managed computing environment The present invention discloses a method and apparatus to process a Caller-ID signal and store the caller-ID message in a buffer while the computer system is in a sleep state. The telephone controller detects the telephone ring and switches the signal pat... | 08/29/2000 |
| 6009166 | Nitinol hookswitch actuator A hookswitch actuator including an activating mechanism which maintains the hookswitch circuit of a telephone in an "on hook" state when the activating mechanism is in a first position, or in an "off hook" state when the activating mechanism is in the sec... | 12/28/1999 |
| 5889858 | Standby high voltage analog line feed A standby feed circuit for a subscriber line comprising a constant current power feeding circuit for a subscriber line for supplying a voltage to a subscriber line at a voltage less than a standard central office power feeding circuit, a voltage source fo... | 03/30/1999 |
| 5734710 | Communication system having a service feature which can be activated and/or deactivated The invention relates to a communication system comprising a first subscriber line for a first user terminal to which subscriber line a service feature functioning in a service switching point is assigned, which feature can be activated and/or deactivated... | 03/31/1998 |
| 5724667 | Portable telephone having removable transducer A portable telephone includes a main body of the telephone, a transducer (preferably an earphone) contained in the main body so that it can be removed therefrom, a cord connecting the transducer and the main body, and a switching mechanism. The portable t... | 03/03/1998 |
| 5692044 | Telephone handset with rocker switch directly mounted to a circuit board A telephone handset having a housing, a loudspeaker, and microphone arranged to be brought into operating proximity with a user. A rocker member (41) extends through a side surface (16) of the housing and is arranged to be resiliently pushable in a first ... | 11/25/1997 |
| 5604798 | Telephone system with automatic volume control A You Talk Two Phone is provided that is a true two handset telephone device. With conventional telephones, when more than one telephone is bridged to a phone line the amplitude of the incoming and outgoing signals drop as telephones are added. The You Ta... | 02/18/1997 |
| 5602914 | Device for limiting the working voltage for mechanical switches in telephony Device for limiting the working voltage for mechanical switches in telephony includes terminals for connection to a telephone line, a connection and power supply branch for a control circuit extending from a first terminal, the branch having a first switc... | 02/11/1997 |
| 5455468 | Switching circuit for switching a plurality of lines This invention enables the number of required ports on a CPU to be reduced, in a switching circuit detecting any exchanged contact point out of plural points having more than three points. In a switching circuit enabling one line to connect to any one of ... | 10/03/1995 |
| 5448636 | Device for limiting the working voltage mechanical switches in telephony Device for limiting the working voltage for mechanical switches in telephony includes terminals for connection to a telephone line, a connection and power supply branch for a control circuit extending from a first terminal, the branch having a first switc... | 09/05/1995 |
| 5440628 | Off-hook telephone with temporary park feature A telephone apparatus comprises a base and a handset. An inclined cradle is provided on the base for receiving the handset and is shaped such that a handset placed thereon normally falls naturally into a fully seated position. A switch responsive to the p... | 08/08/1995 |
| 5325428 | Automatic switching-back device for telephone circuit The communication carried out by an auxiliary terminal machine (AUX) utilizes audio signal wires picked up out of an 8-circuit and 6-contact switch (SW) or an 8-circuit and 3-contact switch (SW). An automatic switching circuit (SS), connected to the audio... | 06/28/1994 |
| 5235636 | Portable telephone set housing having an illuminated switch panel A portable telephone set housing having an illuminated switch portion. A flexible printed circuit board having a membrane switch and a liquid crystal display is mounted onto a support base of the telephone set housing. Onto the flexible printed circuit bo... | 08/10/1993 |
| 5033083 | Telephone line switch apparatus A telephone line switch actuating mechanism includes two identical parts, each having a portion which makes up a plunger, while the remaining portion is pivotally mounted for enabling the two parts to be assembled in an opposing relationship to each other... | 07/16/1991 |
| 4912759 | Device for selectively depressing a telephone switch A device for selectively keeping the flash button of a telephone handset depressed. The device comprises a detachable telephone handset engaging member, which when secured to the handset depresses the flash button, thereby keeping the telephone off line. ... | 03/27/1990 |
| 4907265 | Telephone set with a mechanism for preventing unwanted displacements An improved telephone set of the type including a telephone body and a handset adapted to be placed on the former wherein the telephone set includes features which prevents displacement of the handset from the telephone body. The telephone body has a pair... | 03/06/1990 |
| 4899368 | Switching mechanism for electrical devices The present invention concerns a switching mechanism for electrical devices where the operations of each device are controlled by turning the page-like switches of the mechanism in a manner similar to turning the pages of a book. A preferred embodiment of... | 02/06/1990 |
| 4764957 | Earpiece, telephone handset and headphone intended to correct individual hearing deficiencies An earpiece comprises a suction cup sensor, a preamplifier, a potentiometer for varying the gain of the amplifier, a pass band filter and electronic means enabling the user to adjust the central frequency and/or the width of the pass band of the filter. O... | 08/16/1988 |
| 4736416 | Telephone sterilizer having an ozone gas producing unit Telephone sterilizer consisting of an electric ozone gas producing unit, consisting of a vacuum tube in which interior a electrode is fed with high current. The vacuum tube is surrounded by a negative charged mesh cylinder. Therefore, high current inside ... | 04/05/1988 |
| 4715058 | Protective circuit for the overvoltage protection of a subscriber line interconnect circuit A protective circuit for the electronic interface circuit (SLIC) as well as the electronic switches for test access is described, in which a first threshold setting element for each conductor of the core pair is connected between the line side and a test ... | 12/22/1987 |
| 4700619 | Removable cooking surface for the movable platen of a two-sided cooking device An improved removable cooking surface assembly for the upper movable heated platen of a two-sided cooking device is disclosed. The assembly includes a planar rigid heat conducting metal plate which is coated on its lower surface with a layer of non-stick ... | 10/20/1987 |
| 4700385 | Remote telephone control apparatus A control apparatus for remotely controlling the operation of a telephone hand set when a hand set is remotely located from its associated base. The apparatus includes a housing having first and second connectors mounted thereon. The connectors respective... | 10/13/1987 |
| 4700383 | Lock-releasing mechanism for telephone set with muting function A lock-releasing apparatus for use in a telepone set, having a lock-releasing button (61) for a locking mechanism which locks a handset (41) stationarily to a cradle (42). The lock releasing button also actuates a muting switch (71).... | 10/13/1987 |
| 4658421 | Telephone set stand A stand for a telephone set comprises an open-bottomed housing providing at its top a handset cradle to the rear of a housing upper wall slanting up towards the cradle and having a large aperture in it. A keypad has keys projecting outward within the aper... | 04/14/1987 |
| 4636585 | Telephone installations A telephone installation has two talk-listen stations each comprising a telephone case adapted to receive talking and listening means housed in a common receiver case. At least one switch is provided on the telephone case or on the receiver case and is op... | 01/13/1987 |
| 4536628 | Pushbutton switch assembly with integrated lock-down switch The present invention relates to a pushbutton switch assembly for use with telephone sets, having an integrated lock-down switch. With the aid of a rotatable trip cam of the lock-down switch, randomly one of several domes of a rubber-like switching mat of... | 08/20/1985 |
| 4536622 | Remote telephone on-hook, off-hook control and indication circuit A telephone handset arranged to operate completely independently of a base comprises switches for effecting a connection with a telephone line and a manually operable pushbutton for operating the switches. The pushbutton is biased to hold the switches in ... | 08/20/1985 |
| 4502080 | Operation device for facsimile There is disclosed an operation device for facsimile in which an operating switch can be used commonly for the sending, receiving and copying modes of a facsimile apparatus. Also an operating switch is changed over to plural modes in response to the statu... | 02/26/1985 |
