US1039988A - Controlling apparatus. - Google Patents

Controlling apparatus. Download PDF

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Publication number
US1039988A
US1039988A US649??611A US1039988DA US1039988A US 1039988 A US1039988 A US 1039988A US 1039988D A US1039988D A US 1039988DA US 1039988 A US1039988 A US 1039988A
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US
United States
Prior art keywords
controlling apparatus
controlling
apparatus
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 - Lifetime
Application number
US649??611A
Inventor
Edward C Molina
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AT&T Corp
Original Assignee
AT&T Corp
Publication date
Priority to US1039988TA priority Critical
Application granted granted Critical
Publication of US1039988A publication Critical patent/US1039988A/en
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
US649??611A Controlling apparatus. Expired - Lifetime US1039988A (en)

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US1039988A true US1039988A (en) 1912-10-01

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US649??611A Expired - Lifetime US1039988A (en) Controlling apparatus.

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2428089A (en) * 1943-02-25 1947-09-30 Ncr Co Communication system
US2430284A (en) * 1944-08-03 1947-11-04 Automatic Elect Lab Remote-control system
US2439205A (en) * 1944-08-03 1948-04-06 Automatic Elect Lab Remote control system
US2451489A (en) * 1945-05-15 1948-10-19 Bell Telephone Labor Inc Progressive selecting circuit
US2451812A (en) * 1942-09-16 1948-10-19 Ncr Co Electron tube variable impulse transmitter
US2497784A (en) * 1950-02-14 Calculating machine and remote
US2538815A (en) * 1945-08-25 1951-01-23 Kellogg Switchboard & Supply Electromagnetic counting device
US2595045A (en) * 1940-03-20 1952-04-29 Ncr Co Calculating machine
US2623621A (en) * 1947-03-10 1952-12-30 E T Mape Coin-controlled credit system
US2704787A (en) * 1949-12-01 1955-03-22 Stromberg Carlson Co Telephone trunk supervisory circuit
US2874210A (en) * 1954-04-23 1959-02-17 Teletype Corp Automatic telegraph station selector

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2497784A (en) * 1950-02-14 Calculating machine and remote
US2595045A (en) * 1940-03-20 1952-04-29 Ncr Co Calculating machine
US2451812A (en) * 1942-09-16 1948-10-19 Ncr Co Electron tube variable impulse transmitter
US2428089A (en) * 1943-02-25 1947-09-30 Ncr Co Communication system
US2439205A (en) * 1944-08-03 1948-04-06 Automatic Elect Lab Remote control system
US2430284A (en) * 1944-08-03 1947-11-04 Automatic Elect Lab Remote-control system
US2451489A (en) * 1945-05-15 1948-10-19 Bell Telephone Labor Inc Progressive selecting circuit
US2538815A (en) * 1945-08-25 1951-01-23 Kellogg Switchboard & Supply Electromagnetic counting device
US2623621A (en) * 1947-03-10 1952-12-30 E T Mape Coin-controlled credit system
US2704787A (en) * 1949-12-01 1955-03-22 Stromberg Carlson Co Telephone trunk supervisory circuit
US2874210A (en) * 1954-04-23 1959-02-17 Teletype Corp Automatic telegraph station selector

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