PROBE Jewelry -  On the action-adventure SEARCH/NBC/1971-72 the organization called PROBE Division, the investigative section of the World Securities Corporation equipped its field operatives with tiny electronic devices that monitored telemetry and sent back sights and sounds of what the operatives saw in the field. Some of the devices were built to look like jewelry such as rings and cuff-links that had built in television cameras.

Chain equipped with camera	Close-up of surveillance device	Ring equipped with camera

The following script excerpt from the TV series two-hour pilot "PROBE" written by Leslie Stevens explains the what and how of the tiny devices:

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Scene 8

PROBE CONTROL

(In CLOSE-UP, the equipment is displayed. The Micro-circuitry resembles op-art paintings.)

 CAMERON
 Dr. Laurent you wanted to know how it all works.                   
 You've heard of miniaturized circuitry?
 This is the ultimate in electronic sophistication.
 (shows the miniature scanner.  It is smaller than a postage-
 stamp. 1/3 of an inch thick with an iridescent surface
 of blue optical coating. It glints like a piece of fine jewelry)
 It's a television scanner.

 LAURENT
 A camera?

 CAMERON
 With all-frequencies microwave capability. It picks up picture,
 sound, short-wave, infra-red heat,  ultrasonic, chemical radiations
 -  the full spectrum.

 LAURENT
 How is it carried?

 CAMERON            
 It's magnetized to lock on... and is  worn like a piece of jewelry.

 (He hands it to Lockwood).

 LOCKWOOD
 Watch closely. (like a magician)  It can be hand—held.., or, it can
 click into place on these handsome  cufflinks, custom—designed by
 Cameron  accessories. Some Probes (agents) prefer to wear it as
 a wristwatch.., a tie—tack, others, like myself, prefer to wear it
 right on the button. (clips it on) There!  "I'm a camera".

 LAURENT
 Can we see the picture?

 CAMERON
 We'll run a full test-check on his trip to Europe.

 LAURENT
 Can he see you?

 CAMERON
 No. But he can hear us. He has a tiny receiving set  tuned in to our
 sound channel... just in back of his ear.

 (Lockwood shows the spot).

 LAURENT
 I don't see anything.

 LOCKWOOD
 It's inside.

 LAURENT
 An implant?

 CAMERON
 A permanent. built—in ear—jack.

 LAURENT
 Doesn't it hurt?

 LOCKWOOD
 Only when they turn up the volume.

 CAMERON
 (stern)
 Probes are required to keep it switched on at all times.

 LOCKWOOD
 Except on vacations.

 LAURENT
 Can anyone else hear it? Someone standing next to him?

 CAMERON
 No. It's a neuro-implant. (to Lockwood) You're hooked up. tuned in,
 briefed and ready to go. Mr. Streeter will meet you on the plane.

(He shakes hands)

LOCKWOOD
(to team)
No point in saying goodbye. You're all coming with me. See you on the box.

CAMERON
(to team)                         
 Kuroda!  Light the fire!

KURODA
Green lights

KEACH
Greens!  All systems!

CAMERON
Prepare for air-check, telemetry tests and overseas tracking. Good luck, Lockwood. you're on the air!  

See also - COMPUTERS - "Probe CONTROL"