Device for monitoring the passage of individuals in a corridor
EP0431363A1
Security entrance chamber for personnel
DE4007303C2
Security gate
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Safety arrangement for rotary doors etc. - contains light barrier with transmitter and receiver on door panel optically connected via reflecting mirror
DE3934662A1
SAFETY CIRCUIT FOR ELECTRICALLY DRIVEN AND ELECTRICALLY BRAKE OR LOCKABLE FLYING MACHINES OR MACHINE PARTS
DE3233843C1
Security manway
DE2825787A1
Turnstile with optional free passage - has rotary head with arms fitted pivotally to fold away by solenoid-operated mechanism
DE2746896A1
Electrically controlled turnstile barrier - has revolving spindle, anchor and electromagnetic coupling for one or two way setting
DE2516202A1
Domestic waste compaction press - with press element inside transportable container capable of being swivelled
