1
Sandor A Frecska: Addressable speaker system. Armstrong World, Womble Carlyle Sandridge & Rice PLLC, December 11, 2001: US06329908 (181 worldwide citation)

An addressable speaker system in which a plurality of selectively activated speakers are distributed throughout a predefined area and are connected to a central processing unit. The system contains multiple RF antennas that are capable of broadcasting and receiving radio frequency signals to individ ...


2
Charles A Walton: Portable radio frequency emitting identifier. Gerald L Moore, May 17, 1983: US04384288 (156 worldwide citation)

An automatic identification system wherein a portable identifier, preferably shaped like a credit card, incorporates an oscillator and encoder so as to generate a programmable pulse position-modulated signal in the radio frequency range for identification of the user. The identifier can be made to g ...


3
Adrian Parvulescu, Andrew Todd Zidel: Two-way voice messaging terminal having a speech to text converter. Sony Corporation, Sony Electronics, Lise A Rode Esq, Jerry A Miller, March 3, 1998: US05724410 (150 worldwide citation)

A two-way voice messaging terminal for communicating with a receiving terminal which may or may not be capable of reproducing a voice message transmitted from the voice messaging terminal. A voice message is digitally encoded and stored in a memory. A receiving terminal selection unit connected to t ...


4
Robert D Fennell: Method and apparatus for displaying a keypad arrangement on a selective call receiver. Motorola, Keith A Chanroo, July 4, 1995: US05430436 (107 worldwide citation)

A selective call receiver (5) comprises receiver circuitry (14) for receiving a message, a display (22) for displaying a key pad arrangement (70) and for displaying the received message in a message display area (68). A microcomputer (20) and user controls (12) interact with the key pad arrangement ...


5
Raymond H Levy: Apparatus for transmitting contents information. Plevy & Associates, September 5, 1995: US05448220 (87 worldwide citation)

An system is provided which, in one embodiment, utilizes an identification unit to identify the contents of a container and to transmit a coded identification signal to a remote receiver unit, thereby allowing emergency personnel or other interested persons to ascertain the contents of the container ...


6
Masakazu Tsunoda: Voice warning system for an automotive vehicle. Nissan Motor Company, Lowe King Price & Becker, February 2, 1982: US04314232 (75 worldwide citation)

A voice warning system for an automotive vehicle wherein an automatic vehicle speed control device is incorporated, whereby various items of information such as listed below are conveyed to the vehicle driver in voice form at a suitable volume level without confusion with one another and reliably be ...


7
Gregory W Fuller, Robert D Fennell, William J Macko: Method and apparatus for loading a software program from a radio modem into an external computer. Motorola, R Louis Breeden, Thomas G Berry, April 12, 1994: US05302947 (69 worldwide citation)

A method and apparatus in a selective call receiver (100) choose and load a software driver program (124) into an external computer (302). The apparatus comprises a data interface (118) for coupling with the external computer (302) and a memory (122) containing pre-programmed data comprising a plura ...


8
Joseph Frank Scalisi: Doorbell communication systems and methods. SkyBell Technologies, June 16, 2015: US09058738 (68 worldwide citation)

Doorbells can be configured to wirelessly communicate with a remotely located computing device. Some embodiments of the doorbell can be configured to enter a network connection mode. The network connection mode can include detecting a first wireless network having a name and a password. The network ...


9
Joseph Frank Scalisi, Seton Paul Kasmir: Doorbell communication and electrical methods. SkyBell Technologies, January 20, 2015: US08937659 (65 worldwide citation)

A method for using a doorbell system can block a first electricity that is less than a first threshold from entering an electronic chime. By blocking the first electricity from entering the electronic chime, the electronic chime is not allowed to emit a notification sound. The method for using the d ...


10
Shigeru Morokawa: Pace timing device. Citizen Watch Company, Jordan and Hamburg, June 29, 1982: US04337529 (63 worldwide citation)

A pace timing device for timing steps or other actions during physical exercise, providing audible tone bursts as timing information, and equipped with means for setting the repetition rate and rhythm of the tone bursts to suitable values. Audible and visible indications can be given of elapsed time ...