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...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 8190097 | Systems, methods, and computer program products for determining performance of portable electronic devices A link performance analysis (LPA) system is provided for multi-path radio frequency (RF) testing. The LPA system includes a shielded chamber and an antenna positioned in the chamber. A rotating turntable is positioned in the chamber and spaced apart from the antenna... | 05/29/2012 |
| 7995968 | Measuring absolute total isotropic sensitivity of wireless communication devices in scattered field chambers The absolute total isotropic sensitivity is determined for a communication device receiver circuit that is within a scattered field chamber (SFC) and is receiving communications from a base station simulator. Movement of a mode stirrer device within the SFC is contr... | 08/09/2011 |
| 7933559 | RF test chamber A system for testing radio frequency (RF) communications of a device capable of such communications is provided. The system includes a chamber for isolating the device from RF interference, an antenna that is suitable for RF communications with the device wherein th... | 04/26/2011 |
| 7925219 | Wireless video surveillance jamming and interference prevention A wireless video surveillance system having automatic self-configuration of the input capture devices and digital input recorder(s), and further including jamming and interference prevention capabilities. ... | 04/12/2011 |
| 7603087 | Wireless video surveillance jamming and interface prevention A wireless video surveillance system with jamming and interference prevention capabilities. ... | 10/13/2009 |
| 7412256 | Radio communication terminal and method of controlling internal radio communication A carrier sensor senses the input/output level of a radio processing unit. When the input/output level sensed by the carrier sensor is more than a specified level, a transmission-reception controller stops internal radio communication by stopping the operation of tr... | 08/12/2008 |
| 7403771 | Telecom equipment with memory Embodiments of telecommunications equipment with a memory device are presented herein. ... | 07/22/2008 |
| 7359701 | Method for conducting radiated performance tests of a wireless device A method for conducting a radiated performance test on a wireless device comprising the steps of: establishing an interface from a test computer to the wireless device; establishing a data connection on the interface between the test computer and the wireless device... | 04/15/2008 |
| 7353020 | Radio access point testing apparatus and method of testing radio access point A reception sensitivity is measured at a high precision. An access terminal function portion includes the transmitter part and receiver part of a communication terminal in a radio communication system. A path switch part effects switching so as to connect the input ... | 04/01/2008 |
| 7334735 | Card for interaction with a computer A smart card comprising: a memory for storing information; at least one transmitting or receiving antenna; and a low frequency circuit, for handling information associated with said antenna and said memory, which information is modulated at a modulation frequency of... | 02/26/2008 |
| 7327984 | Device and method for measuring receive sensitivity of communication system including receive-only path Disclosed is a device (200) and a method for measuring a receive sensitivity of a communication system having a transmit and receive path and a receive-only path, like a base station (100) employing space diversity by means of one transmit and receive ... | 02/05/2008 |
| 7280077 | System and method for measuring radiation characteristic of antenna An antenna measurement system is provided to measure the radiation characteristic of a source antenna (2), and obtain more correct far-field range data within a short period of time. The antenna measurement system includes a tester body placed apart from the ... | 10/09/2007 |
| 7251456 | Wireless module simulator Allowing a wireless network application to execute, as during development and testing, as if connected to a wireless network using wireless modems without requiring physical access to or presence of a wireless network or devices for accessing the same, by simulating... | 07/31/2007 |
| 7236795 | Controlling processor load in a wireless telecommunications network node A wireless telecommunications network node is provided. The node includes a processor configured to handle call traffic and to record measurement data. The processor is also configured to detect processor load and to automatically adjust the rate of recordal of meas... | 06/26/2007 |
| 7228105 | Field test chamber arrangement A measurement arrangement for accurate and repeatable measurement of transmission and reception characteristics of a communication device. The arrangement comprises an at least partly conductive box forming a substantially enclosed cavity, and arranged in the box a ... | 06/05/2007 |
| 7203616 | Method and system for the interactive testing of assembled wireless communication devices A method and system for the interactive testing of assembled wireless communication devices is provided. The method comprises: assembling the wireless communication devices to include at least one interactive test component for interactively testing the wireless com... | 04/10/2007 |
| 7183929 | Control of toys and devices by sounds A method of controlling at least one device by incidental sound produced by a living creature and including: attaching a sound-maker to a living creature so that the natural movements of the living creature will cause the sound-maker to emit a sound; receiving the s... | 02/27/2007 |
| 7177600 | Apparatus and method for testing performance of mobile station having GPS function Disclosed are an apparatus and method for testing performance of a mobile station having a global positioning system (GPS) mounted therein. The method provides for virtually changing parameters requited for a registration at a base station so that the mobile station... | 02/13/2007 |
| 7177772 | System and method for generating and measuring noise parameters A method for measuring noise parameters includes generating a noise signal at a noise source. The noise signal includes a first input signal at a first frequency and a second input signal at a second frequency. The first input signal and the second input signal are ... | 02/13/2007 |
| 7162285 | Detector and method for detecting telephone-activated devices in idle state A detector for detecting telephone-activated devices, such as cellular telephones used for remotely triggering explosive devices, includes a transmitter for generating and transmitting a pseudo base station signal corresponding to a base station for a telephone-acti... | 01/09/2007 |
| 7113750 | Apparatus and method for input channel isolation within an electronic test instrument An electrical isolation device wherein a signal to be electrically isolated is mixed with a carrier signal by a multiplier to produce a modulated carrier signal which is passed through an isolation barrier and demodulated and filtered to extract thereby the initial ... | 09/26/2006 |
| 7109931 | Method and apparatus to control an antenna efficiency test device The present invention provides a method to measure antenna efficiency using the cavity method. In particular, the present invention provides a tunable cavity that can be tuned to avoid the anti resonance and antenna-cavity coupling problems. In particular, tuning pr... | 09/19/2006 |
| 7109932 | Antenna efficiency test device The present invention provides, an antenna test device to test antenna efficiency. The test device includes a cavity formed by at least one conductive sidewall. The cavity contains at least one tuning probe, at least one movable portion, or a combination thereof. Th... | 09/19/2006 |
| 7107020 | Mobile phone positioning apparatus for radiation testing A mobile phone positioning apparatus provides a rotational movement and switching functionality among three planes (H, E1 and E2) as requested by a radiation test. The positioning apparatus includes a base, a support shaft, a platform and a tes... | 09/12/2006 |
| 7043286 | Extrinsic signal to shunt an acoustic driver in a cellular telephone, pager or the like A method for selectively shunting an acoustic driver within an electronic device detects the presence of a squelch signal from a local emitter and automatically shunts the acoustic driver in response to the detection, free of any communication back to the emitter. T... | 05/09/2006 |
| 7035594 | Method and apparatus for testing and evaluating wireless communication devices A testing chamber is configured to evaluate the accuracy of a wireless communication device under test in a production environment. The configuration of the testing chamber may resemble an enclosed structure having a wall that includes multiple layers. An array of a... | 04/25/2006 |
| 6978476 | Device and method of determining location of signal ingress The present invention comprises a device which may be attached to a cable ground block (62) such that the level and type for signal emitted through the upstream flow of the signal, from a residence or business (59), may be determined along with the loc... | 12/20/2005 |
| 6970700 | Power delivery system A method and apparatus for measuring the characteristics of radio frequency energy in an industrial radio frequency processing system at a plurality of frequencies is disclosed. The method and apparatus measures the characteristics of radio energy using one detector... | 11/29/2005 |
| 6950670 | Wireless network having joint power and data rate adaptation A wireless network includes transmission power and data rate adaptation based upon signal quality experienced by the user. ... | 09/27/2005 |
| 6950665 | Methodology and system for generating a three-dimensional model of interference in a cellular wireless communication network A method (and system) for quantifying a three-dimensional model of interference in a cellular wireless communication network. The model is derived from the acquisition and analysis of composite signals as part of a survey of ground-level locations and above-ground-l... | 09/27/2005 |
| 6839544 | System and method for remote monitoring of a transmitter in a wireless base station There is disclosed a signal monitoring apparatus for use in a wireless network base station containing a modular main unit for processing baseband signals and a modular radio unit separate from the main unit for transmitting and receiving radio frequency (RF) signal... | 01/04/2005 |
| 6839546 | Process transmitter with wireless communication link A process transmitter is configured to measure a process variable of an industrial process. A housing has a first cavity which houses first transmitter electronic circuitry and provides a barrier between the first transmitter electronic circuitry and second transmit... | 01/04/2005 |
| 6785515 | Method and system for tapping telephone conversations A method and a system for monitoring telephone calls are described. A useful signal (which represents the call information of a telephone call) and a data set (which contains at least one digital subscriber tag) are supplied to a recording center (20). The da... | 08/31/2004 |
| 6721561 | Method for building a home-zone database using measured power strength Disclosed is a method for building a home-zone database using data measured while moving about the home-zone service area in a mobile communication system, which includes a mobile diagnostic monitor with a GPS antenna, a mobile telephone and a base station database.... | 04/13/2004 |
| 6718296 | Measurement of signal quality Apparatus for assessing the performance of telecommunications systems by comparison of a reference signal with the same signal as degraded by the system under test tends to give unreliable results when used to test connectionless packet-switching equipment. This is ... | 04/06/2004 |
| 6678525 | Method and apparatus for modeling the propagation of wireless signals in buildings Techniques for predicting RF signal propagation in indoor environments are disclosed. A typical technique comprises six distinct phases. In one phase, the mean wall separation, d, of one floor of a building is estimated. In a second phase, a reflection co... | 01/13/2004 |
| 6662009 | Methods and apparatus for performance testing of cordless telephones Methods and apparatus for performance testing of an analog cordless telephone are addressed herein. A telephone base station is connected to a test controller which directs the base station to initiate a test. The test controller signals the telephone han... | 12/09/2003 |
| 6525657 | Apparatus and method for production testing of the RF performance of wireless communications devices A radio frequency (RF) multi-testing apparatus and method for rapid (e.g. production line) testing of a wireless communications device for operational adherence of the device to a pre-determined reference specification defining specific absorption rate (S... | 02/25/2003 |
| 6397154 | Correlation method for surveillance device detection A new correlation process and implementing apparatus for use in detecting the presence and location of a concealed eavesdropping device is disclosed in the present application. The process correlates a demodulated intercepted signal with a reference signa... | 05/28/2002 |
| 6314272 | Radio frequency broadcast system for enclosed spaces Uniform and concentrated radio broadcast signals are obtained employing an antenna structure which uses separate antenna conductors on opposite sides of a radio reception area. The antenna conductors perform similarly to the plates of a capacitor. Highly ... | 11/06/2001 |
