Electronic trip meter with a correction circuit for an automotiv

Electronic trip meter with an alarm for an automotive vehicle

Electronic vending machine selection counter

Encoding altimeter

End predictor for cassette tape

Error correction in a remote meter reading device

Error logging for automatic apparatus

Event monitor for court games

Event rate counter

Event recorder with coded removable display

Events accumulator device and method

Exposure control device for a camera

Fare collection system and components thereof

Fast binary coded decimal incrementing circuit

Filter-type pulse detection means

Flexitime recorder

Flexitime recorder

Flow detection system

Flow line counter incorporating programmed reversal circuitry

Flow rate monitor and totalizer with count display