Radio telephone system for selectively allowing a party in communication with a system user to transmit a voice signal to the user during a hold state

作者： Tsutomu Inaba

DOI:

关键词:

摘要: A radio telephone system such as a car having function of selectively allowing party communicating with user the to transmit voice signal during hold state set by user. When predetermined time elapses after is system, allows even state.

google.com 本地加速

freepatentsonline.com 本地加速

freepatentsonline.com UNKNOWN 下载加速

lens.org UNKNOWN 下载加速

参考文章(6)

Eduard F. B. Boeckmann, Telephone substation transmitter muting circuit ,(1982)

Gerritt S. K. Lee, Single-line telephone hold circuit ,(1989)

Robert J. Alderman, Telephone hold circuit with improved self-limiting amplifier for injecting an audio signal during hold conditions ,(1982)

Kaspar A. Kasparian, Aaron S. Rogers, Control system for microprocessor and software enhanced communications equipment ,(1987)

Akio Toki, Masanori Toba, Koichi Ito, Radio telephone apparatus and a method of controlling same ,(1989)

Shoji Fuse, Yuji Ohta, Toshihiro Hara, Akio Yotsutani, Michimasa Shirakata, Koji No. Hachioji-Hazama-Jutaku Ono, Cordless telephone system ,(1988)

Radio telephone system for selectively allowing a party in communication with a system user to transmit a voice signal to the user during a hold state

来源期刊

我的账户

Radio telephone system for selectively allowing a party in communication with a system user to transmit a voice signal to the user during a hold state

来源期刊

相似文章 10

我的账户