GB1362412A - Pulse train generating and selection apparatus - Google Patents

Pulse train generating and selection apparatus

Info

Publication number
GB1362412A
GB1362412A GB2392371A GB2392371A GB1362412A GB 1362412 A GB1362412 A GB 1362412A GB 2392371 A GB2392371 A GB 2392371A GB 2392371 A GB2392371 A GB 2392371A GB 1362412 A GB1362412 A GB 1362412A
Authority
GB
United Kingdom
Prior art keywords
pulse
pulses
unit
generator
line
Prior art date
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
GB2392371A
Other languages
English (en)
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of GB1362412A publication Critical patent/GB1362412A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/57—Arrangements for indicating or recording the number of the calling subscriber at the called subscriber's set
    • H04M1/573—Line monitoring circuits for detecting caller identification

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
GB2392371A 1971-04-15 1971-06-02 Pulse train generating and selection apparatus Expired GB1362412A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7113237A FR2133267A5 (OSRAM) 1971-04-15 1971-04-15

Publications (1)

Publication Number Publication Date
GB1362412A true GB1362412A (en) 1974-08-07

Family

ID=9075291

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2392371A Expired GB1362412A (en) 1971-04-15 1971-06-02 Pulse train generating and selection apparatus

Country Status (4)

Country Link
AU (1) AU458841B2 (OSRAM)
FR (1) FR2133267A5 (OSRAM)
GB (1) GB1362412A (OSRAM)
NL (1) NL7105411A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7940901B2 (en) 2003-11-06 2011-05-10 Theodore George Paraskevakos Remote management of products and services

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7940901B2 (en) 2003-11-06 2011-05-10 Theodore George Paraskevakos Remote management of products and services

Also Published As

Publication number Publication date
AU458841B2 (en) 1975-03-13
FR2133267A5 (OSRAM) 1972-11-24
NL7105411A (OSRAM) 1972-10-24
AU3267671A (en) 1973-03-01

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees