GB1066661A - Improvements in or relating to audio-actuated protective devices - Google Patents
Improvements in or relating to audio-actuated protective devicesInfo
- Publication number
- GB1066661A GB1066661A GB1171064A GB1171064A GB1066661A GB 1066661 A GB1066661 A GB 1066661A GB 1171064 A GB1171064 A GB 1171064A GB 1171064 A GB1171064 A GB 1171064A GB 1066661 A GB1066661 A GB 1066661A
- Authority
- GB
- United Kingdom
- Prior art keywords
- audio
- relating
- protective devices
- actuated protective
- actuated
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
- F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
- F16P3/12—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine
- F16P3/14—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
1,066,661. Machinery guards. E. J. HUXLEY. May 25, 1965 [March 19, 1964], No. 11710/64. Heading F2J. Human vociferations are picked up by a microphone and fed via a filter and amplifier to control a blocking oscillator, the output from which operates a relay to stop a machine in an emergency. The system may be adjusted to respond only to noise above a predetermined threshold.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1171064A GB1066661A (en) | 1964-03-19 | 1964-03-19 | Improvements in or relating to audio-actuated protective devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1171064A GB1066661A (en) | 1964-03-19 | 1964-03-19 | Improvements in or relating to audio-actuated protective devices |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1066661A true GB1066661A (en) | 1967-04-26 |
Family
ID=9991262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1171064A Expired GB1066661A (en) | 1964-03-19 | 1964-03-19 | Improvements in or relating to audio-actuated protective devices |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1066661A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3809067A (en) * | 1972-06-07 | 1974-05-07 | Borg Warner | Modulation responsive anti-evasion system for breath testers |
FR2443190A1 (en) * | 1978-12-08 | 1980-07-04 | Skf Ind Trading & Dev | AGRICULTURAL MACHINE PROVIDED WITH A SECURITY DEVICE |
-
1964
- 1964-03-19 GB GB1171064A patent/GB1066661A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3809067A (en) * | 1972-06-07 | 1974-05-07 | Borg Warner | Modulation responsive anti-evasion system for breath testers |
FR2443190A1 (en) * | 1978-12-08 | 1980-07-04 | Skf Ind Trading & Dev | AGRICULTURAL MACHINE PROVIDED WITH A SECURITY DEVICE |
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