СПИСОК патентов США - подгруппа МПК16 H04M1/30


Выделить слова в названиях патентов:


№ п/п Номер патента Название патента

2007

17286044Power line communication device for vehicle

2006

27085693Manipulation of electronic media using off-line media

2003

36546091Automatic detection of phone system settings for dial-up modem connections

2001

46314179Externally dialed hand-free operator for cellular phones
56259931Controlling a communication device with dual-mode telecommunications signaling

2000

66101401Wireless telephone dialing method

1998

75706340Telephone apparatus including circuit for producing dial data from serial key data

1997

85638437Telecommunication system and method enabling a user to get access to an automated call processing from a central station operating on pulse dialling mode

1995

95384842Programmable telephone

1994

105369697Method and apparatus for automatically switching between pulse code and DTMF signals generated by a telephone
115329580Communication terminal adaptor

1993

125241591Telephone system having a dial data changeover switch
135228079Method and apparatus for pulse/tone detection and selection
145191606Electrical telephone speech network

1992

155157720Dialler chip mode signal

1991

164998276Dial signal generator for generating dial pulse signal and dual tone multi-frequency signal

1990

174947423Communication apparatus with facilities for changing to a pulse or dial mode

1987

184675902High performance telephone instrument with combination pulse and tone dialing capacity

1984

194431870Telephone system with computer generated dial pad and automatic dialing

1980

204233475Telephone station with automatic switch-over between pulse code dialling and multifrequency code dialling

1979

214167827Telephone set with rotary dial

1976

223988549Keyboard type telephone station adapted to transmit dialling pulses and multifrequency signals
233932707Electric impulse transmitters for telephone instruments
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Дата формирования списка: 03.04.2017