BE774208A - Ameliorations apportees aux systemes d'index telephoniques - Google Patents

Ameliorations apportees aux systemes d'index telephoniques

Info

Publication number
BE774208A
BE774208A BE774208A BE774208A BE774208A BE 774208 A BE774208 A BE 774208A BE 774208 A BE774208 A BE 774208A BE 774208 A BE774208 A BE 774208A BE 774208 A BE774208 A BE 774208A
Authority
BE
Belgium
Prior art keywords
index systems
telephone index
telephone
systems
index
Prior art date
Application number
BE774208A
Other languages
English (en)
French (fr)
Inventor
J P Foley
Original Assignee
Foley James P
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 Foley James P filed Critical Foley James P
Publication of BE774208A publication Critical patent/BE774208A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/21—Combinations with auxiliary equipment, e.g. with clocks or memoranda pads

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
BE774208A 1971-02-18 1971-10-20 Ameliorations apportees aux systemes d'index telephoniques BE774208A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11638471A 1971-02-18 1971-02-18

Publications (1)

Publication Number Publication Date
BE774208A true BE774208A (fr) 1972-02-14

Family

ID=22366856

Family Applications (1)

Application Number Title Priority Date Filing Date
BE774208A BE774208A (fr) 1971-02-18 1971-10-20 Ameliorations apportees aux systemes d'index telephoniques

Country Status (5)

Country Link
AU (1) AU3545371A (https=)
BE (1) BE774208A (https=)
CA (1) CA941258A (https=)
FR (1) FR2125838A5 (https=)
GB (2) GB1371063A (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2176077B2 (https=) * 1971-02-18 1976-09-10 Foley James

Also Published As

Publication number Publication date
GB1371063A (en) 1974-10-23
FR2125838A5 (https=) 1972-09-29
CA941258A (en) 1974-02-05
GB1371064A (en) 1974-10-23
AU3545371A (en) 1973-05-17

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