FR2185902A1 - - Google Patents

Info

Publication number
FR2185902A1
FR2185902A1 FR7319082A FR7319082A FR2185902A1 FR 2185902 A1 FR2185902 A1 FR 2185902A1 FR 7319082 A FR7319082 A FR 7319082A FR 7319082 A FR7319082 A FR 7319082A FR 2185902 A1 FR2185902 A1 FR 2185902A1
Authority
FR
France
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.)
Granted
Application number
FR7319082A
Other languages
French (fr)
Other versions
FR2185902B1 (es
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of FR2185902A1 publication Critical patent/FR2185902A1/fr
Application granted granted Critical
Publication of FR2185902B1 publication Critical patent/FR2185902B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems
    • H04B17/401—Monitoring; Testing of relay systems with selective localization
    • H04B17/402—Monitoring; Testing of relay systems with selective localization using different frequencies
    • H04B17/403—Monitoring; Testing of relay systems with selective localization using different frequencies generated by local oscillators

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
FR7319082A 1972-05-25 1973-05-25 Expired FR2185902B1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2469072A GB1381554A (en) 1972-05-25 1972-05-25 Transmission systems

Publications (2)

Publication Number Publication Date
FR2185902A1 true FR2185902A1 (es) 1974-01-04
FR2185902B1 FR2185902B1 (es) 1978-01-06

Family

ID=10215740

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7319082A Expired FR2185902B1 (es) 1972-05-25 1973-05-25

Country Status (4)

Country Link
ES (1) ES415180A1 (es)
FR (1) FR2185902B1 (es)
GB (1) GB1381554A (es)
ZA (1) ZA732618B (es)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
ZA732618B (en) 1974-04-24
GB1381554A (en) 1975-01-22
AU5530673A (en) 1974-11-07
FR2185902B1 (es) 1978-01-06
ES415180A1 (es) 1976-02-01

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FR2185902A1 (es)

Legal Events

Date Code Title Description
ST Notification of lapse