CA1023043A - Information transmission equipment - Google Patents

Information transmission equipment

Info

Publication number: CA1023043A
Authority: CA; Canada
Prior art keywords: information transmission; transmission equipment; equipment; information; transmission
Prior art date: 1974-03-25
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

CA222,782A

Other languages

English (en)

French (fr)

Inventor

Kjell O.I. Olsson

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.)

Individual

Original Assignee

Individual

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.)

1974-03-25

Filing date

1975-03-21

Publication date

1977-12-20

1975-03-21 Application filed by Individual filed Critical Individual

1977-12-20 Application granted granted Critical

1977-12-20 Publication of CA1023043A publication Critical patent/CA1023043A/en

Status Expired legal-status Critical Current

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
- B61L3/02—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
- B61L3/08—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
- B61L3/12—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves
- B61L3/121—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves using magnetic induction

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Selective Calling Equipment (AREA)
Electric Propulsion And Braking For Vehicles (AREA)
Train Traffic Observation, Control, And Security (AREA)

CA222,782A 1974-03-25 1975-03-21 Information transmission equipment Expired CA1023043A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE7403989A SE380769B (sv)	1974-03-25	1974-03-25	Informationsoverforingsanleggning for overforing av information avseende olika signaltillstand

Publications (1)

Publication Number	Publication Date
CA1023043A true CA1023043A (en)	1977-12-20

Family

ID=20320630

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA222,782A Expired CA1023043A (en)	1974-03-25	1975-03-21	Information transmission equipment

Country Status (8)

Country	Link
US (1)	US3991403A (de)
CA (1)	CA1023043A (de)
DE (1)	DE2512451A1 (de)
DK (1)	DK120575A (de)
FR (1)	FR2266236A1 (de)
GB (1)	GB1501234A (de)
NO (1)	NO139295C (de)
SE (1)	SE380769B (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4467270A (en) *	1981-03-31	1984-08-21	American Standard Inc.	Automatic departure test unit for cab signal equipment
BR9706912A (pt) *	1996-11-01	2000-01-04	Foster Miller Inc	Sensor de linha de força auto-acionado de núcleo modular
US6677743B1 (en)	1999-03-05	2004-01-13	Foster-Miller, Inc.	High voltage powerline sensor with a plurality of voltage sensing devices

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3573807A (en) *	1969-07-30	1971-04-06	Sperry Rand Corp	Digital encoder apparatus
US3587048A (en) *	1969-10-10	1971-06-22	Itt	Status control system
US3740745A (en) *	1970-09-28	1973-06-19	Eaton Corp	Ring core keyboard entry device
GB1369598A (en) *	1970-10-23	1974-10-09	British Railways Board	Railway communication systems
US3885228A (en) *	1973-06-05	1975-05-20	Martin J Katz	Fail-safe electronic encoder for selectively operating railway signal indicator
US3863206A (en) *	1974-03-12	1975-01-28	Lee C Rabie	Digital Vehicle Detector

1974
- 1974-03-25 SE SE7403989A patent/SE380769B/xx not_active IP Right Cessation
1975
- 1975-03-21 CA CA222,782A patent/CA1023043A/en not_active Expired
- 1975-03-21 GB GB11903/75A patent/GB1501234A/en not_active Expired
- 1975-03-21 NO NO750990A patent/NO139295C/no unknown
- 1975-03-21 DE DE19752512451 patent/DE2512451A1/de active Pending
- 1975-03-21 DK DK120575A patent/DK120575A/da unknown
- 1975-03-24 US US05/561,190 patent/US3991403A/en not_active Expired - Lifetime
- 1975-03-25 FR FR7509290A patent/FR2266236A1/fr not_active Withdrawn

Also Published As

Publication number	Publication date
DK120575A (de)	1975-09-26
NO139295C (no)	1979-02-14
DE2512451A1 (de)	1975-10-02
NO139295B (no)	1978-10-30
FR2266236A1 (de)	1975-10-24
US3991403A (en)	1976-11-09
SE380769B (sv)	1975-11-17
SE7403989L (de)	1975-09-26
NO750990L (de)	1975-09-26
GB1501234A (en)	1978-02-15

Publication	Publication Date	Title
AU498573B2 (en)	1979-03-15	Information transmission system
AU499505B2 (en)	1979-04-26	Data transmission systems
AU501000B2 (en)	1979-06-07	Transmission
CA1020776A (en)	1977-11-15	Split-torque power transmission
CA1033263A (en)	1978-06-20	Power transmission
AU507009B2 (en)	1980-01-31	Heat-recoverable coupling
CA1029418A (en)	1978-04-11	Coupling
CA1002853A (en)	1977-01-04	Hydrostatic transmission
GB1541248A (en)	1979-02-28	Data transmission
CA1031661A (en)	1978-05-23	Power transmission
GB1539389A (en)	1979-01-31	Data transmission
AU499643B2 (en)	1979-04-26	Transmission system
AU498273B2 (en)	1979-03-01	Digital data transmission
CA992768A (en)	1976-07-13	Transmission shifting system
AU497469B2 (en)	1978-12-14	Data transmission systems
CA1010983A (en)	1977-05-24	Data transmission system
CA1029634A (en)	1978-04-18	Hydrostatic transmission
CA1022940A (en)	1977-12-20	Dredging equipment
CA1023043A (en)	1977-12-20	Information transmission equipment
GB1538570A (en)	1979-01-24	Data transmission
CA1005316A (en)	1977-02-15	Power transmission
AU500993B2 (en)	1979-06-07	Transmission system
AU501260B2 (en)	1979-06-14	Secret transmission
CA973163A (en)	1975-08-19	Earth-drilling equipment
CA1029987A (en)	1978-04-25	Variable-speed transmission