CA1026478A - Closed loop multiple station communication system - Google Patents

Closed loop multiple station communication system

Info

Publication number: CA1026478A
Authority: CA; Canada
Prior art keywords: communication system; closed loop; station communication; multiple station; loop multiple
Prior art date: 1974-06-17
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

CA229,155A

Other languages

French (fr)

Inventor

Emanuel Hafner

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.)

Hasler AG

Original Assignee

Hasler AG

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.)

1974-06-17

Filing date

1975-06-10

Publication date

1978-02-14

1975-06-10 Application filed by Hasler AG filed Critical Hasler AG

1978-02-14 Application granted granted Critical

1978-02-14 Publication of CA1026478A publication Critical patent/CA1026478A/en

Status Expired legal-status Critical Current

Links

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
- H04M3/561—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities by multiplexing
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties
- H04M9/022—Multiplex systems
- H04M9/025—Time division multiplex systems, e.g. loop systems

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Multimedia (AREA)
Small-Scale Networks (AREA)
Time-Division Multiplex Systems (AREA)
Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Telephonic Communication Services (AREA)
Data Exchanges In Wide-Area Networks (AREA)
Alarm Systems (AREA)

CA229,155A 1974-06-17 1975-06-10 Closed loop multiple station communication system Expired CA1026478A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH823874A CH575692A5 (en)	1974-06-17	1974-06-17

Publications (1)

Publication Number	Publication Date
CA1026478A true CA1026478A (en)	1978-02-14

Family

ID=4337263

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA229,155A Expired CA1026478A (en)	1974-06-17	1975-06-10	Closed loop multiple station communication system

Country Status (14)

Country	Link
JP (1)	JPS597255B2 (en)
AT (1)	AT345351B (en)
BE (1)	BE830333A (en)
CA (1)	CA1026478A (en)
CH (1)	CH575692A5 (en)
DE (1)	DE2523906A1 (en)
DK (1)	DK142258B (en)
FR (1)	FR2275086A1 (en)
GB (1)	GB1490260A (en)
IL (1)	IL47446A (en)
IT (1)	IT1036322B (en)
NL (1)	NL7507183A (en)
NO (1)	NO141914C (en)
SE (1)	SE410545B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS57111166A (en) *	1980-12-26	1982-07-10	Fujitsu Ltd	Add-on connection system
GB2132449A (en) *	1982-12-09	1984-07-04	Standard Telephones Cables Ltd	Decentralised PABX
US4544804A (en) *	1983-01-24	1985-10-01	At&T Bell Laboratories	Conference control transfer arrangement
DE3501834A1 (en) *	1985-01-21	1986-07-24	Siemens AG, 1000 Berlin und 8000 München	Speech facility for a communications system with digital four-wire bus channel
SE449152B (en) *	1986-03-19	1987-04-06	Paul Gosta Wilhelm Rosen	COMMUNICATION ESTABLISHMENT INCLUDING A MULTIPLE UNITS WHICH CAN MAINTAIN A CONFERENCE CONNECTION
DE10062342A1 (en) *	2000-12-14	2002-07-11	Eads Defence & Security Ntwk	Method and device for implementing voice conferences

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH550521A (en) *	1972-07-04	1974-06-14	Hasler Ag	PROCEDURE FOR MESSAGE TRANSFER BETWEEN PARTICIPANTS.

1974
- 1974-06-17 CH CH823874A patent/CH575692A5/xx not_active IP Right Cessation
1975
- 1975-05-30 DE DE19752523906 patent/DE2523906A1/en not_active Withdrawn
- 1975-05-30 AT AT413775A patent/AT345351B/en not_active IP Right Cessation
- 1975-06-03 GB GB23907/75A patent/GB1490260A/en not_active Expired
- 1975-06-04 DK DK249075AA patent/DK142258B/en not_active IP Right Cessation
- 1975-06-10 IL IL47446A patent/IL47446A/en unknown
- 1975-06-10 CA CA229,155A patent/CA1026478A/en not_active Expired
- 1975-06-12 FR FR7518438A patent/FR2275086A1/en active Granted
- 1975-06-13 JP JP50071001A patent/JPS597255B2/en not_active Expired
- 1975-06-16 SE SE7506860A patent/SE410545B/en unknown
- 1975-06-16 NO NO752123A patent/NO141914C/en unknown
- 1975-06-17 BE BE157410A patent/BE830333A/en not_active IP Right Cessation
- 1975-06-17 NL NL7507183A patent/NL7507183A/en not_active Application Discontinuation
- 1975-06-17 IT IT68563/75A patent/IT1036322B/en active

Also Published As

Publication number	Publication date
DK249075A (en)	1975-12-18
IT1036322B (en)	1979-10-30
IL47446A0 (en)	1975-08-31
FR2275086B1 (en)	1982-04-30
NO141914C (en)	1980-05-28
JPS597255B2 (en)	1984-02-17
BE830333A (en)	1975-12-17
GB1490260A (en)	1977-10-26
NO141914B (en)	1980-02-18
DK142258B (en)	1980-09-29
CH575692A5 (en)	1976-05-14
NL7507183A (en)	1975-12-19
ATA413775A (en)	1978-01-15
NO752123L (en)	1975-12-18
SE410545B (en)	1979-10-15
SE7506860L (en)	1975-12-18
JPS5111505A (en)	1976-01-29
IL47446A (en)	1977-12-30
AU8206375A (en)	1976-12-16
DK142258C (en)	1981-02-23
FR2275086A1 (en)	1976-01-09
DE2523906A1 (en)	1976-01-08
AT345351B (en)	1978-09-11

Publication	Publication Date	Title
JPS5276803A (en)	1977-06-28	Loop communication system
JPS5298401A (en)	1977-08-18	Radio communication system
CA980889A (en)	1975-12-30	Loop communications system
GB1546604A (en)	1979-05-23	Radio communication systems
JPS52155934A (en)	1977-12-24	Interrcomputer communication system
AU503357B2 (en)	1979-08-30	Communication system
JPS52116031A (en)	1977-09-29	Communication system
CA976636A (en)	1975-10-21	Serial loop communications system
JPS5285402A (en)	1977-07-15	Loop communication system
JPS5236277A (en)	1977-03-19	Communication system
AU500103B2 (en)	1979-05-10	Communication system
CA1026478A (en)	1978-02-14	Closed loop multiple station communication system
AU501571B2 (en)	1979-06-21	Communications system
JPS52141502A (en)	1977-11-25	Communication system
JPS52113104A (en)	1977-09-22	Communication system
JPS52149452A (en)	1977-12-12	Communication system
JPS51138312A (en)	1976-11-29	Communication system
JPS52130517A (en)	1977-11-01	Complex communication system
JPS5347709A (en)	1978-04-28	Communication system
JPS5351902A (en)	1978-05-11	Radio communication system
AU494880B2 (en)	1976-12-16	Communication system
GB1547639A (en)	1979-06-27	Communication system
AU478903B2 (en)	1976-12-16	Inter-bag communication means
JPS5287312A (en)	1977-07-21	Radio communication system
CA1005166A (en)	1977-02-08	Receiving loop antenna system