GB1228405A - - Google Patents

Info

Publication number
GB1228405A
GB1228405A GB1228405DA GB1228405A GB 1228405 A GB1228405 A GB 1228405A GB 1228405D A GB1228405D A GB 1228405DA GB 1228405 A GB1228405 A GB 1228405A
Authority
GB
United Kingdom
Prior art keywords
signal
modulating
carrier signal
june
condition
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
Other languages
English (en)
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 filed Critical
Publication of GB1228405A publication Critical patent/GB1228405A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M29/00—Scaring or repelling devices, e.g. bird-scaring apparatus
    • A01M29/16—Scaring or repelling devices, e.g. bird-scaring apparatus using sound waves

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Birds (AREA)
  • Engineering & Computer Science (AREA)
  • Insects & Arthropods (AREA)
  • Pest Control & Pesticides (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
GB1228405D 1967-09-19 1968-06-13 Expired GB1228405A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64890767A 1967-09-19 1967-09-19

Publications (1)

Publication Number Publication Date
GB1228405A true GB1228405A (enrdf_load_stackoverflow) 1971-04-15

Family

ID=24602708

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1228405D Expired GB1228405A (enrdf_load_stackoverflow) 1967-09-19 1968-06-13

Country Status (1)

Country Link
GB (1) GB1228405A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2161974A (en) * 1984-07-18 1986-01-22 Saltney Engineering Limited Devices for scaring away birds or other pests or vermin
WO1986004485A1 (en) * 1985-02-08 1986-08-14 Battelle-Institut E.V. Process and device for scaring away birds
WO2006114300A1 (en) * 2005-04-27 2006-11-02 Sistemi Tecnologici Di Corubolo Ivana Method and apparatus for the emission of variable acoustic signals

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2161974A (en) * 1984-07-18 1986-01-22 Saltney Engineering Limited Devices for scaring away birds or other pests or vermin
WO1986004485A1 (en) * 1985-02-08 1986-08-14 Battelle-Institut E.V. Process and device for scaring away birds
US4769794A (en) * 1985-02-08 1988-09-06 Battelle Institut E.V. Bird-scaring method and device
WO2006114300A1 (en) * 2005-04-27 2006-11-02 Sistemi Tecnologici Di Corubolo Ivana Method and apparatus for the emission of variable acoustic signals

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Legal Events

Date Code Title Description
PS Patent sealed
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee