FR1020072A - Mounting suitable for an automatic signaling system to selectively explore the value of characteristic resistances - Google Patents

Mounting suitable for an automatic signaling system to selectively explore the value of characteristic resistances

Info

Publication number: FR1020072A
Authority: FR; France
Prior art keywords: value; signaling system; automatic signaling; mounting suitable; characteristic resistances
Prior art date: 1949-06-14
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

Other languages

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.)

Koninklijke Philips NV

Original Assignee

Philips Gloeilampenfabrieken NV

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.)

1949-06-14

Filing date

1950-06-12

Publication date

1953-02-02

1950-06-12 Application filed by Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV

1953-02-02 Application granted granted Critical

1953-02-02 Publication of FR1020072A publication Critical patent/FR1020072A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Measurement Of Resistance Or Impedance (AREA)
Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)

FR1020072D 1949-06-14 1950-06-12 Mounting suitable for an automatic signaling system to selectively explore the value of characteristic resistances Expired FR1020072A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL146971A NL72271C (en)	1949-06-14	1949-06-14	Circuit for a signalling system, in particular an automatic telephone system, for investigating the value of resistances added to switch outputs

Publications (1)

Publication Number	Publication Date
FR1020072A true FR1020072A (en)	1953-02-02

Family

ID=93258021

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR1020072D Expired FR1020072A (en)	1949-06-14	1950-06-12	Mounting suitable for an automatic signaling system to selectively explore the value of characteristic resistances

Country Status (7)

Country	Link
AT (1)	AT169985B (en)
CH (1)	CH285308A (en)
DE (1)	DE822996C (en)
DK (1)	DK85832C (en)
FR (1)	FR1020072A (en)
GB (1)	GB686075A (en)
NL (1)	NL72271C (en)

1949
- 1949-06-14 NL NL146971A patent/NL72271C/en active
1950
- 1950-06-09 GB GB14444/50A patent/GB686075A/en not_active Expired
- 1950-06-10 DK DK194150AA patent/DK85832C/en active
- 1950-06-10 DE DEN1023A patent/DE822996C/en not_active Expired
- 1950-06-12 CH CH285308D patent/CH285308A/en unknown
- 1950-06-12 AT AT169985D patent/AT169985B/en active
- 1950-06-12 FR FR1020072D patent/FR1020072A/en not_active Expired

Also Published As

Publication number	Publication date
CH285308A (en)	1952-08-31
DE822996C (en)	1951-11-29
GB686075A (en)	1953-01-14
NL72271C (en)	1953-04-15
DK85832C (en)	1958-07-07
AT169985B (en)	1951-12-27

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