Patents
Patents for H04M 1 - Substation equipment, e.g. for use by subscribers (168,223)
06/1995
06/21/1995EP0659003A1 Telephone set structure
06/21/1995EP0658298A1 Virtual pager for general purpose data terminal
06/21/1995CN2201759Y Anti-theft device for telephone line
06/21/1995CN1029063C Computer and telephone apparatus with user friendly computer interface and enhanced integrity feature
06/21/1995CN1029062C Detector for use with automatic disconnect feature in telephone answering machine
06/21/1995CN1029061C Alarm and test system for digital added main line
06/20/1995USRE34976 Analog/digital voice storage cellular telephone
06/20/1995US5426698 Transformed current sensing relay for use in switched network modems and circuit incorporating same
06/20/1995US5426693 Apparatus and method for automatically blocking the transmission of identifying information concerning a telephone calling party
06/20/1995US5426691 Method and apparatus for detecting a prescribed audio frequency actuating signal applied on to a telecommunication line
06/20/1995US5426690 Cordless telephone apparatus which restores radio channels after power loss
06/20/1995US5426689 Cordless headset telephone for use with a business telephone
06/20/1995US5426518 Image communication method and apparatus for recording and printing voice message history information
06/20/1995CA2055014C Coupling device to be connected to a dce for the connection to a public switched telephone network having a local power supply circuit for allowing the use of the local telephone,dce and workstation including the same
06/20/1995CA2049735C Portable radio equipment
06/20/1995CA2026093C Mobile telephone system capable of adapting a portable telephone set
06/17/1995CA2111822A1 Hands free use of cordless telephone
06/16/1995CA2111535A1 Telephone bases
06/14/1995EP0658035A2 System and method for providing selected video images to local telephone stations
06/14/1995EP0658030A1 Foldable portable radiotelephone
06/14/1995EP0658029A2 Hybrid circuit for an electric operating and scanning interface, applicable to electronic recorders of electromechanical telephone stations
06/14/1995EP0657078A1 Data diagnostics with leds on the face of a telephone
06/14/1995EP0520067B1 Improved audio distribution system
06/14/1995CN2200894Y Multifunction monitor for telepone line
06/13/1995USRE34968 Handset or speaker message retrieval system
06/13/1995US5425096 Communication device
06/13/1995US5425095 Automatic dialing apparatus with numerical pause time setting
06/13/1995US5425089 Low cost telephone caller identification device and method
06/13/1995US5425085 Least cost routing device for separate connection into phone line
06/13/1995US5425079 Telephone power interruption data backup apparatus
06/13/1995US5425078 Voice message keepsake system
06/13/1995US5425077 Mobile telephone user interface including fixed and dynamic function keys and method of using same
06/13/1995CA2048457C Hands free telephone set
06/13/1995CA2039854C Communicating apparatus
06/10/1995CA2137173A1 Termination unit for telecommunication and data lines
06/08/1995WO1995015657A1 An operations center with video storage for a television program packaging and delivery system
06/08/1995WO1995015643A1 Voice enhancement system and method
06/08/1995WO1995015642A1 Device for switching between a telephone handset and a substitute secondary apparatus
06/08/1995WO1995015621A1 A telecommunication system, and a first station, a second station, and a transceiver for use in such a system
06/08/1995WO1995015619A1 Case for cellular phone containing a spare battery
06/07/1995EP0656718A2 Dual port interface for a computer-based multifunction personal communication system
06/07/1995EP0656715A1 An adjustable support arrangement
06/07/1995EP0656692A2 Shielding for a radio telephone
06/07/1995EP0656163A1 Method of establishing a communication link in a digital cordless telephone system
06/07/1995CN2200263Y Portable telephone set for overhauling
06/07/1995CN2200262Y Theft-proof protector for telephone line
06/07/1995CN1103525A 振铃电路 Ringing circuit
06/06/1995US5423079 Mobile communication terminal device and method of preventing incorrect information rewriting
06/06/1995US5423062 System for reducing congestion of radio paging channel
06/06/1995US5423060 Method of remote-registering communication control information and circuitry therefor
06/06/1995US5422951 Low profile telephone set
06/06/1995US5422947 Telephone in-use indicator
06/06/1995US5422942 Incoming call transfer terminal
06/06/1995US5422939 Parallel off-hook detection for both line-available and phone pick-up detection
06/06/1995US5422938 Telephone set with predetermined plural editing functions
06/06/1995US5422937 Remotely controlled telephone operator simulator
06/06/1995US5422934 Cordless range extension accessory apparatus for radio telephones
06/06/1995US5422656 Personal communicator having improved contrast control for a liquid crystal, touch sensitive display
06/06/1995CA2048033C Portable telephone set comprising input keys and a shift key on different surfaces
06/01/1995WO1995015044A1 Telephone communication headset
06/01/1995WO1995015035A1 Method and apparatus for testing telecommunications equipment
06/01/1995WO1995014965A1 Modular portable computer
06/01/1995DE4340714A1 Cordless telephone achieving high quality by spacing of mouth and ear piece allowing room for loudspeaker
06/01/1995DE4340679A1 Speech module providing playback of short message in mobile station
06/01/1995CA2171864A1 Method and apparatus for testing telecommunications equipment
05/1995
05/31/1995EP0655875A1 Adapter for enhancing ISDN-telephones
05/31/1995CN2199647Y Telephone ringing apparatus
05/31/1995CN2199646Y Anti-theft blocking apparatus for telephone line
05/31/1995CN1103224A Communication apparatus
05/31/1995CN1103219A System and method for communicating with travelers
05/31/1995CN1028702C Use of a vcxo in the base unit of a two-handset cordless telephone system
05/30/1995US5421030 Communications system and method for bi-directional communications between an upstream control facility and downstream user terminals
05/30/1995US5420973 Abridgment of text-based display information
05/30/1995US5420920 Network interface device module providing sealed customer-accessible test port
05/30/1995US5420919 Telephone line current modulator
05/30/1995US5420915 Apparatus for instruction in use of telephone
05/30/1995US5420912 Telephone having portable voice control module for playing back speech or performing a hands-free telephone function
05/30/1995US5420907 Automatic control system for a remotely controllable sound producing device
05/30/1995CA2136884A1 System for securing access to equipment connectable to a telephone communication channel
05/30/1995CA2058399C Isdn terminal system
05/30/1995CA2034872C Portable radio telephone set
05/30/1995CA1335737C Communication terminal apparatus and its control method
05/26/1995WO1995014344A1 Method and circuitry for controlling voice mail, call logging and call blocking functions using a modem
05/26/1995WO1995014275A1 Portable apparatus for providing multiple integrated communication media
05/26/1995WO1995014268A1 Method and apparatus for displaying three-dimensional animated characters upon a computer monitor's screen
05/24/1995EP0654954A1 Method and apparatus for volume and intelligibility control for a loudspeaker
05/24/1995EP0654929A1 Handset for a subscriber set
05/24/1995EP0654928A1 Telephone set
05/24/1995EP0654927A2 Radio telephone apparatus
05/24/1995EP0411083B1 Telecommunications system
05/24/1995CN2198727Y Pulse to two voice frequency automatic changing telephone set
05/24/1995CN1102938A Modular radio communications system
05/23/1995US5418851 Shock preventing telephone handset for paystation
05/23/1995US5418850 Dealing board
05/23/1995US5418845 Arrangement for obtaining information from a switching system database by an adjunct processor
05/23/1995US5418841 Telephone answering machine with non-volatile memory
05/23/1995US5418839 Environmental adaptive mechanism for channel utilization in cordless telephones
05/23/1995US5418837 Method and apparatus for upgrading cellular mobile telephones
05/23/1995US5418836 Radiotelephone equipment for use in vehicle
05/23/1995US5418834 Maintenance termination units