DE93071C - - Google Patents

Info

Publication number
DE93071C
DE93071C DENDAT93071D DE93071DA DE93071C DE 93071 C DE93071 C DE 93071C DE NDAT93071 D DENDAT93071 D DE NDAT93071D DE 93071D A DE93071D A DE 93071DA DE 93071 C DE93071 C DE 93071C
Authority
DE
Germany
Prior art keywords
hourglasses
ratchet wheel
hourglass
duration
counter
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.)
Active
Application number
DENDAT93071D
Other languages
German (de)
English (en)
Publication of DE93071C publication Critical patent/DE93071C/de
Active legal-status Critical Current

Links

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)
DENDAT93071D Active DE93071C (OSRAM)

Publications (1)

Publication Number Publication Date
DE93071C true DE93071C (OSRAM)

Family

ID=364528

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT93071D Active DE93071C (OSRAM)

Country Status (1)

Country Link
DE (1) DE93071C (OSRAM)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2698658A (en) * 1953-04-03 1955-01-04 Lewis W Coren Interval timer and indexing combination
US20040133979A1 (en) * 2003-01-13 2004-07-15 Newkirk David C. Orthopedic table apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2698658A (en) * 1953-04-03 1955-01-04 Lewis W Coren Interval timer and indexing combination
US20040133979A1 (en) * 2003-01-13 2004-07-15 Newkirk David C. Orthopedic table apparatus

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