Fishing – trapping – and vermin destroying – Fishing – Illuminated – e.g. – luminous
Patent
1989-05-19
1991-04-30
Rowan, Kurt
Fishing, trapping, and vermin destroying
Fishing
Illuminated, e.g., luminous
A01K 9712
Patent
active
050106783
ABSTRACT:
Apparatus for sensing movement of a fishing line when a fish takes the bait on the line is described and includes a casing fittable to bank rod at a desired angle and having an opening for receiving a fishing rod and a slot which receives the fishing line. A stylus part of a sensor extends into the slot and the slot walls may be shaped to guide the line into engagement with the stylus. The stylus passes through a water resistant/impermeable sheath into the casing in which it is coupled to a sensing device operable to generate or modulate a voltage when it is moved or vibrated. An electronic circuit is provided in the casing to generate a audible and visible indication of line movement and includes a tone sounder carried in and LEDs mounted on the casing.
The sensing device may comprise a piezo-electric device or a vibration sensitive switch operable to generate a voltage when vibrated, or a (infra red) light source/sensor arrangement including a light modulating element attached to the stylus.
The electronic circuit includes a transistor switch operable in response to the sensor output to enable LED and tone sounder driver circuits. The output of the sensor maybe amplified and (manual) switch means may be provided operable to latch the transistor in a conductive state.
Variable resistors are provided for the (manual) adjustment of the pitch and volume of the audible output and the sensitivity of the indicator and means may be included for increasing this sensitivity for a period following a bite.
An LED and the tone sounder driver may comprise free running oscillators.
REFERENCES:
patent: 3020664 (1962-02-01), Snyder
patent: 4485578 (1984-12-01), Novey
patent: 4731946 (1988-03-01), Blythe
Peck Jeffrey A.
Thurston William R.
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