CA1088683A - Calling circuit - Google Patents

Calling circuit

Info

Publication number
CA1088683A
CA1088683A CA287,121A CA287121A CA1088683A CA 1088683 A CA1088683 A CA 1088683A CA 287121 A CA287121 A CA 287121A CA 1088683 A CA1088683 A CA 1088683A
Authority
CA
Canada
Prior art keywords
transistor
control circuit
source
indicator
lamp signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA287,121A
Other languages
English (en)
French (fr)
Inventor
Stephen E. Kerman
Fumikazu Hamatani
Fumio Tsutsumi
Yuji Tanaka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Tsushin Kogyo KK
Tie Communications Inc
Original Assignee
Nippon Tsushin Kogyo KK
Tie Communications Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Tsushin Kogyo KK, Tie Communications Inc filed Critical Nippon Tsushin Kogyo KK
Application granted granted Critical
Publication of CA1088683A publication Critical patent/CA1088683A/en
Expired legal-status Critical Current

Links

Landscapes

  • Sub-Exchange Stations And Push- Button Telephones (AREA)
CA287,121A 1976-10-01 1977-09-20 Calling circuit Expired CA1088683A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US72859276A 1976-10-01 1976-10-01
US728,592 1976-10-01

Publications (1)

Publication Number Publication Date
CA1088683A true CA1088683A (en) 1980-10-28

Family

ID=24927483

Family Applications (1)

Application Number Title Priority Date Filing Date
CA287,121A Expired CA1088683A (en) 1976-10-01 1977-09-20 Calling circuit

Country Status (2)

Country Link
JP (1) JPS5344104A (enrdf_load_stackoverflow)
CA (1) CA1088683A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61153731A (ja) * 1984-12-27 1986-07-12 Fujitsu Ltd デ−タ遅延装置
JPS62190501U (enrdf_load_stackoverflow) * 1986-05-27 1987-12-04
JP2800808B2 (ja) * 1996-11-13 1998-09-21 日本電気株式会社 拡散符号の位相シフト回路

Also Published As

Publication number Publication date
JPS5653901B2 (enrdf_load_stackoverflow) 1981-12-22
JPS5344104A (en) 1978-04-20

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Legal Events

Date Code Title Description
MKEX Expiry