BE514053A - - Google Patents

Info

Publication number: BE514053A
Authority: BE; Belgium

Application number

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.)

1951-09-10

Publication of BE514053A publication Critical patent/BE514053A/xx

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
- H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
- H04Q1/45—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using multi-frequency signalling

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Rectifiers (AREA)
Other Investigation Or Analysis Of Materials By Electrical Means (AREA)

BE514053D 1951-09-10 BE514053A (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL304199X		1951-09-10

Publications (1)

Publication Number	Publication Date
BE514053A true BE514053A (xx)

Family

ID=19783424

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE514053D BE514053A (xx)	1951-09-10

Country Status (6)

Country	Link
US (1)	US2794860A (xx)
BE (1)	BE514053A (xx)
CH (1)	CH304199A (xx)
DE (1)	DE920367C (xx)
FR (1)	FR1062795A (xx)
GB (1)	GB723061A (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2944112A (en) *	1954-03-15	1960-07-05		Telephony
US2931956A (en) *	1956-02-06	1960-04-05	Elliott & Evans Inc	Regenerative radio receiver for remotely controlled relay
US2955161A (en) *	1956-06-29	1960-10-04	Automatic Elect Lab	Tone detector for coin control
US3147463A (en) *	1959-05-21	1964-09-01	Bristol Company	Telemetering system
US3133158A (en) *	1960-06-09	1964-05-12	Ericsson Telefon Ab L M	Voice frequency signal receiver

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR960660A (xx) *	1947-02-07	1950-04-22
BE501904A (xx) *	1950-03-17

0
- BE BE514053D patent/BE514053A/xx unknown
1952
- 1952-07-31 US US301852A patent/US2794860A/en not_active Expired - Lifetime
- 1952-09-05 GB GB22399/52A patent/GB723061A/en not_active Expired
- 1952-09-07 DE DEN6052A patent/DE920367C/de not_active Expired
- 1952-09-08 CH CH304199D patent/CH304199A/de unknown
- 1952-09-08 FR FR1062795D patent/FR1062795A/fr not_active Expired

Also Published As

Publication number	Publication date
FR1062795A (fr)	1954-04-27
US2794860A (en)	1957-06-04
DE920367C (de)	1954-11-22
CH304199A (de)	1954-12-31
GB723061A (en)	1955-02-02

Publication	Publication Date	Title
FR1066714A (xx)	1954-06-09
JPS32005776B1 (xx)	1957-07-31
NL73644C (xx)	1953-06-15
FR63784A (xx)
BE501200A (xx)
BE509392A (xx)
BE501021A (xx)
BE501126A (xx)
BE501201A (xx)
BE501183A (xx)
BE501312A (xx)
BE501330A (xx)
BE500996A (xx)
BE500995A (xx)
BE500989A (xx)	1951-02-15
BE500841A (xx)
BE500745A (xx)
BE512709A (xx)
BE512498A (xx)
BE501371A (xx)
BE501372A (xx)
BE501417A (xx)
BE501420A (xx)
BE501454A (xx)
BE501468A (xx)