Briefs 10131 Bubb Road, Cupertino, Stroboscope California 95014
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lines/min. The unit prints on standard Artisan Electronics Corporation Physiological Tape Recorder paper. Price: $2,400. 5 Eastmans Road The RP-31 magnetic cassette tape Parsippany, New Jersey 07054 recorder was designed exclusively for Centronics Data Computer recording physiological phenomena. Corporation Digital Printer Three channels of data and one One Wall Street Beckman's new digital printer, channel of audio can be recorded Hudson, New Hampshire 03051 Model 1454, accepts inputs from all simultaneously. The data to be logic forms (MaS, IC, and transistor). recorded may extend from dc to Solid-State Light Emitters The unit has expandable capability of 80 Hz on each of the three channels; For those wanting to try solid-state ]-21 BCD columns and the ability to the single channel of audio may light in circuitry, Monsanto now offers accept inputs from as many as three include physiological parameters to two Answer Kits to help solve different data sources, with up to 16 10,000 Hz or narrative descriptions. problems. The GaAs Lite Answer Kit characters/column. The instrument The Wolff Industries Unit (2485 consists of two MV50 and MV10B red, also prints out in red and black on the Huntington Drive, San Marino, two MV1 amber, and one MV2 green same line and accepts standard California 91108) has data channel GaAs Lites, along with data sheets and calculator or pressure-sensitive paper. input sensitivity of 700 mV/V application notes. Price is $9.95. The The unit weighs 20lbs and, with (25 k ohms, SE). Limit lights indicate Optoisolator Answer Kit contains a optional battery pack, can be taken signals exceeding +.7, +1, or -1 V. MCD2, MCT2, and MCS2 into the field. Price: $1,095. Full-scale signal output level is ± 1 V photocoupled pair with data and (100 ohms, SE). The recorder is priced application information. The price of Beckman Instruments, Inc. at $1,645. this kit is $9.95 also. Order from your Electronic Instruments Division Monsanto distributor or write Schiller Park, Illinois 60176 Monsanto Electronic Special Products, Briefs 10131 Bubb Road, Cupertino, Stroboscope California 95014. The new General Radio Model 1542 BRMI Subscription, Gratis stroboscope uses a xenon lamp whose Lehigh Valley Electronics, Inc., is Tape Cassette rep rate can be varied from 180 to offering a L-year subscription to The Digital Cassette Recorder 3,750 flashes/min. Image illumination Behavior Research Methods' and allows the user to record computer is constant at any flash rate. Flash Instrumentation to all customers who output rates up to 1,200 baud and can duration can be as short as 5 microsec. purchase $500 or more of LVE replay the signals at any time without The reflector confines the light to a equipment during the period February using additional computer time or beam angle of 40 deg. The unit draws 15 through May 15, 1971. storage space. The computer only 9 W from the ac power line. The connection can be broken when Model 1542 is priced at $95. Pocket-Size Minicomputer required, and the data played back one The BR-1018 minicomputer has a frame at a time, a technique analogous General Radio Company plated-wire S-k-word, 1S·bit memory to microfilm retrieval. Price: $850. 300 Baker Avenue and is smaller than a desk telephone. Concord, Massachusetts 01760 Special packaging reduces mainframe, Computer Displays, Inc. memory, and input/output units to 223 Crescent Street Portable Electrocardiograph solid blocks about the size of bars of Waltham, Massachusetts 02154 The Toshiba Micro soap. The computer is advertised as Electrocardiograph is a transistorized, having a repertoire of 43 instructions, Tape Loading Unit alkaline battery powered unit that a multiply time of 33 microsec, and a Moel TP-1369 permits pushbutton weighs 4.8 kg and measures 261 mm divide time of 43 microsec, The loading of programs and data from long, 98 mm wide, and 139 mm high. present price of $30,000 is expected magnetic tape for PDP-8 computers. Pen deflection is 15 mm minimum for to drop to less than $5,000 when pilot Features of the instrument include a reference input voltage of 1 mY. The production begins in 1971. The 3.7-kHz transfer rate and the ability to time constant is 1.8 sec minimum, and computer is made by Bunker-Ramo simulate a four-track disk by a the warmup duration is 10 sec Corporation, Electronics Systems programmable track-select option. The maximum. Overall frequency Division, Westlake, California 91361. drum is reprogrammabie for programs characteristic: 65%, 0.1-60 Hz up to 60 steps in length. A standard minimum. Discrimination ratio is Decade Counter and Readout Kits cartridge is used in the transport, with 60 dB minimum. Recording paper is Environmental Products (P_O. Box word storage to 265 k. heat sensitive (50 mm wide and 406, Lafayette, Indiana 47902) 20 mm long), and recording speed is markets decade counter and readout Tennecomp Systems, Inc. 25 mm/sec. Lead selection: Standard, kits. The NR-3 Numitron readout and 795 Oak Ridge Turnpike I, II, III, aVr, aVl, vr, V. Price of the decade counter, with all ICs DR 2010 Oak Ridge, Tennessee 32830 unit is $650. readout, and PC board is priced at $16.95. The N5000-C Nixie-type Time Delay Tokyo Shibaura Electric Company, readout and decade counter is $12.95. The Artisan time-delay capsule is a Ltd. The same company advertises ICs. A solid-state two-lead device capable of Export Division SN7400N quad 2 input NAND gate is delaying ac voltage to a load circuit of 1-6, 1-chome, Uchisaiwai-cho listed at $.66, a SN7402N NOR gate is either resistive, inductive, or lamp. Chiyoda-ku, Tokyo, Japan $.88. In transistor-transistor logic Time delays range from 0.1 to 300 sec. (TIL), a 9328 dual 8·bit shift register Recycling time is 100 msec maximum. Distributed by: is priced at $4.95. A 9033 16-bit Three models may be purchased: high-speed memory is $2.95. 18-30 V ac (24 V ac nominal), Danatron 36-60 Vac (48 Vac nominal), and 2021 East Fourth Street New Surplus Digital Readouts 90-135 V ac (115 V ac nominal). Santa Ana, California 92705 New digital readouts are available at Behav. Res. Meth. & Instru., 1971, Vol. 3 (2) 111 reduced surplus prices. The units were Computer Terminal Corporation 296 Newton Street made by Industrial Electronic 9725 Datapoint Drive Waltham, Massachusetts 02154 Engineers and sold for over $40 each. San Antonio, Texas 78229 The readouts operate on 12-28 V, but Information Displays, Inc. they can easily be converted to 6 V by Computek, Inc. 333 North Bedford Road changing the bulbs at a cost of 143 Albany Street P.O. Box 688 10 cents each. The numerals are !jz in. Cambridge, Massachusetts 02139 Mount Kisco, New York 10549 wide and 1 in. high, and the units have 12 message positions. Conrac Corporation Information International Two formats are available: one has 600 North Rimsdale Avenue 89 Brighton Avenue the numerals 0-9 plus symbols - and Covina, California 91722 Boston, Massachusetts 02134 -; the other has 0-7 plus -, -, 'I'p, and Tx. With a little ingenuity, the format Corning Data Systems Mark Computer Systems, Inc. can be changed by reworking the 3900 Electronics Drive 80 Skyline Drive readily accessible screen. The DR 0·9 Raleigh, North Carolina 27602 Plainview, New York 11803 model is priced at $9.50; DR 0-7 is $6.50. Both are sold by BF Data 100 Corporation Measurement Systems, Inc. Enterprises, P.O. Box 44, Hathorne, 7450 France Avenue, South 523 West Avenue Massachusetts 01937. Minneapolis, Minnesota 55435 Norwalk, Connecticut 06850 Interactive CRT Terminals Data Disc, Inc. Megadata Computer and Interactive CRT terminals for 1275 California Avenue Communications Corporation on-line communication between Palo Alto, California 94304 151·8 West Industry Court computers and users are marketed by Deer Park, New York 11729 the firms listed below: Data Input Devices Route 28 Monitor Displays Adage, Inc. Derry, New Hampshire 03038 An Aydin Company 1079 Commonwealth Avenue 401 Commerce Drive Boston, Massachusetts 02215 Delta Data Systems Corporation Fort Washington, Pennsylvania Woodhaven Industrial Park 19034 American Data Systems Cornwell Heights, Pennsylvania 8851 Mason Street 19020 National Cash Register Canoga Park, California 91306 Dayton, Ohio 45409 Evans and Sutherland Computer Applicon, Inc. Corporation Optical Electronics, Inc. 83 Second Avenue 3 Research Road P.O. Box 11140 Burlington, Massachusetts 01803 Salt Lake City, Utah 84112 Tucson, Arizona 85706 Applied Digital Data Systems, Inc. Foto-Mem, Inc. Philco-Ford Corporation 100 Marcus Boulevard 6 Strathmore Road 1002 Gemini Avenue Hauppauge, New York 11787 Natick, Massachusetts 01760 Houston, Texas 77058 Atlantic Technology Corporation General Electric Princeton Electronics Products, Inc. Somers Point, New Jersey 08244 Information Devices Department P.O. Box 101 4000 N.W. 39th Expressway North Brunswick, New Jersey Beehive Electrotech, Inc. Oklahoma City, Oklahoma 73112 08902 1473 South 6th West Avenue Salt Lake City, Utah 84104 Hazeltine Corporation RCA Computer Systems Division Industrial Products Division Cherry Hill, New Jersey 08034 Bendix Corporation Little Neck, New York 11362 Communications Division Raytheon Company East Joppa Road Hewlett Packard Communications & Data Processing Towson, Maryland 21204 1501 Page Mill Road Operation Palo Alto, California 94303 1415 Providence Highway Bunker-Ramo Corporation Norwood,Massachusetts 02067 Defense Systems Division Honeywell, Inc. 8433 Fallbrook Avenue Electronic Data Processing Division Sanders Associates, Inc. Canoga Park, California 91304 60 Walnut Street Daniel Webster Highway, South Wellesley Hills, Massachusetts Nashau, New Hampshire 03060 Burroughs Corporation 02181 6017 Second Avenue Spiras Systems, Inc. Detroit, Michigan 48232 Hughes Aircraft Company 332 SecondAvenue 2020 Oceanside Boulevard Waltham, Massachusetts 02154 Computer Devices, Inc. Oceanside, California 92054 10 Sonar Drive Stromberg Datagraphic, Inc.