CA999388A - Electrochromic information display for telephones - Google Patents

Electrochromic information display for telephones

Info

Publication number
CA999388A
CA999388A CA185,079A CA185079A CA999388A CA 999388 A CA999388 A CA 999388A CA 185079 A CA185079 A CA 185079A CA 999388 A CA999388 A CA 999388A
Authority
CA
Canada
Prior art keywords
telephones
information display
electrochromic
electrochromic information
display
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
CA185,079A
Other languages
English (en)
Other versions
CA185079S (en
Inventor
Christie G. Enke
Robert D. Giglia
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.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid Co
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 American Cyanamid Co filed Critical American Cyanamid Co
Application granted granted Critical
Publication of CA999388A publication Critical patent/CA999388A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Telephone Set Structure (AREA)
CA185,079A 1972-12-07 1973-11-06 Electrochromic information display for telephones Expired CA999388A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31302672A 1972-12-07 1972-12-07

Publications (1)

Publication Number Publication Date
CA999388A true CA999388A (en) 1976-11-02

Family

ID=23214059

Family Applications (1)

Application Number Title Priority Date Filing Date
CA185,079A Expired CA999388A (en) 1972-12-07 1973-11-06 Electrochromic information display for telephones

Country Status (13)

Country Link
JP (1) JPS4990005A (pl)
BE (1) BE808315A (pl)
BR (1) BR7309536D0 (pl)
CA (1) CA999388A (pl)
CH (1) CH594329A5 (pl)
DD (1) DD113645A5 (pl)
DE (1) DE2360171A1 (pl)
ES (1) ES421280A1 (pl)
FR (1) FR2210062B1 (pl)
GB (1) GB1437509A (pl)
IT (1) IT997616B (pl)
NL (1) NL7316201A (pl)
SE (1) SE397913B (pl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991282A (en) * 1974-12-27 1976-11-09 Feil Thomas E Multi station telephone switching system
DE3713104A1 (de) * 1987-04-16 1988-02-04 Josef Pollmann Schaltungsanordnung zur verminderung anonymer anrufe im fernsprechverkehr
DE3920721A1 (de) * 1989-06-24 1991-01-03 Standard Elektrik Lorenz Ag Sprechanlage mit sprechstelle mit datenanzeige

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2032967B2 (de) * 1970-07-03 1971-05-06 Robert Bosch Elektronik Gmbh, 1000 Berlin Und 7000 Stuttgart Rufnummerngeber fuer sprechfunkgeraete
CA958476A (en) * 1971-01-12 1974-11-26 Donald J. Berets Electrochromic information displays

Also Published As

Publication number Publication date
GB1437509A (en) 1976-05-26
BR7309536D0 (pt) 1974-08-22
IT997616B (it) 1975-12-30
DD113645A5 (pl) 1975-06-12
SE397913B (sv) 1977-11-21
JPS4990005A (pl) 1974-08-28
FR2210062B1 (pl) 1977-09-30
NL7316201A (pl) 1974-06-11
ES421280A1 (es) 1976-06-16
DE2360171A1 (de) 1974-07-11
CH594329A5 (pl) 1978-01-13
BE808315A (fr) 1974-06-06
FR2210062A1 (pl) 1974-07-05

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