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 Title: |
US3643706:
PROXIMITY CONTROL APPARATUS
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| Country: |
US United States of America
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| Inventor: |
Ritchie, Edwin E.; Bainbridge Island, WA
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| Assignee: |
Wyott Corporation
other patents from WYATT CORPORATION (634725) (approx. 1)
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| Published / Filed: |
1972-02-22
/ 1971-04-30
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| Application Number: |
US1971000138982
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| IPC Code: |
Advanced:
H03K 17/725;
H03K 17/95;
H03K 17/955;
Core:
H03K 17/94;
more...
IPC-7:
B65B 57/02;
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| U.S. Class: |
Current:
141/160;
141/167;
141/183;
Original:
141/160;
141/167;
141/183;
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| Field of Search: |
141/129,155-157,159,160,167,183,192,351,83
198/037
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| Priority Number: |
| 1971-04-30 |
US1971000138982 |
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| Abstract: |
An electronic control responsive to the presence of an object in predetermined proximity to the probe thereof. The probe is connected to an oscillation generator which supplies electrical oscillations to a circuit which controls the initiation of the timing cycle of a timing device when an object is brought into proximity of the probe and electrical oscillations supplied by the generator are interrupted. The timing device supplies a signal to a control circuit after a predetermined timed interval to shut off the load circuit which was activated when the timing cycle was started.
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| Attorney, Agent or Firm: |
Allen & Chromy ;
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| Primary / Asst. Examiners: |
Earls, Edward J.;
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| INPADOC Legal Status: |
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| Parent Case: |
This application is a division of my application, Ser. No. 850,967 filed Aug. 18, 1969 for PROXIMITY CONTROL APPARATUS now U.S. Pat. No. 3,601,621.
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| Family: |
None
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First Claim:
Show all 2 claims |
I claim:
1. In an electronic control responsive to the presence of an object in predetermined proximity, the combination of an oscillation generator, a probe connected to said oscillation generator to control the generation of oscillations when an object is placed in proximity to said probe, a timing device measuring a predetermined time interval, means responsive to said oscillation generator for controlling the operation of said timing device to initiate its cycle of operation, means controlling a work circuit, and means actuating said last mentioned means for said predetermined time interval in response to the operation of said timing device, said means controlling a work circuit comprises a relay having a normally closed contact connected to control the motor for a conveyor, said relay also having a normally open contact, a liquid dispensing station positioned adjacent to the conveyor, said probe being located at said station so that a receptacle carried by the conveyor adjacent said probe affects said generator so that said work circuit controlling means causes said relay to open said normally closed circuit to stop said conveyor motor and close said normally open circuit which controls said liquid dispensing station to dispense liquid to said receptacle.
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| Background / Summary: |
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| Drawing Descriptions: |
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| Description: |
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