CH116918A - Counters for telephone systems. - Google Patents

Counters for telephone systems.

Info

Publication number: CH116918A
Authority: CH; Switzerland
Prior art keywords: counters; telephone systems; telephone; systems
Prior art date: 1925-01-28

Application number

Other languages

German (de)

Inventor

Co Bell Telephon Manufacturing

Original Assignee

Bell Telephone Mfg

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.)

1925-01-28

Filing date

1925-07-31

Publication date

1926-10-01

1925-07-31 Application filed by Bell Telephone Mfg filed Critical Bell Telephone Mfg

1926-10-01 Publication of CH116918A publication Critical patent/CH116918A/en

Classifications

- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication

Landscapes

Engineering & Computer Science (AREA)
Computer Networks & Wireless Communication (AREA)
Signal Processing (AREA)
Telephone Set Structure (AREA)

CH116918D 1925-01-28 1925-07-31 Counters for telephone systems. CH116918A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB253425A GB251335A (en)	1925-01-28	1925-01-28	Improvements in telephone exchange systems

Publications (1)

Publication Number	Publication Date
CH116918A true CH116918A (en)	1926-10-01

Family

ID=9741252

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH116918D CH116918A (en)	1925-01-28	1925-07-31	Counters for telephone systems.

Country Status (4)

Country	Link
CH (1)	CH116918A (en)
FR (1)	FR602773A (en)
GB (1)	GB251335A (en)
NL (1)	NL18444C (en)

0
- NL NL18444D patent/NL18444C/xx active
1925
- 1925-01-28 GB GB253425A patent/GB251335A/en not_active Expired
- 1925-07-31 CH CH116918D patent/CH116918A/en unknown
- 1925-08-31 FR FR602773D patent/FR602773A/en not_active Expired

Also Published As

Publication number	Publication date
NL18444C (en)
FR602773A (en)	1926-03-26
GB251335A (en)	1926-04-28

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