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At least 847 records · Page 47Linked to original sources
PubMed1988

Contrast enhancement amplifier for television microscopy.

A video amplifier is described for the purpose of enhancing the contrast of televised scene features. The system operates by amplifying the video signals bracketed by selectable gray levels, in such a fashion that the features of interest take up the whole dynamic range of the video display. The system operates and can be used directly in conjunction with on line video processors such as automated microvessel diameter measuring systems and video blood cell velocimeters.

Amplifiers, Electronic↗
PubMed1984

[Study of bacterial motility and rate of movement using a closed circuit television].

Speed and motion patterns of Campylobacter fetus ssp. jejuni, Escherichia coli and Pseudomonas aeruginosa were recorded using a closed circuit television camera attached to a phase contrast microscope. A Sony video analysis system was used to stop frame videotape at 1/7th and 1/15th. Bacterial speeds were: Campylobacter 29.2 micron/s, E. coli 8.9 micron/s and P. aeruginosa 16.8 micron/s.

Campylobacter fetus↗
PubMed1984

Videotaped patient medication instruction program using closed-circuit television.

A program is described in which hospital patients receive videotaped medication instruction that is reinforced by printed information. In a 940-bed hospital, the pharmacy department developed a series of videotapes for closed-circuit television. Each tape covers a medication or drug class and includes use of the drug, precautions, administration instructions, and adverse effects. Pharmacists developed the basic test, and the patient education department revised the language to meet the needs of patients. Pharmacists presented the information on the tapes, which were produced by the hospital's video production department. File cards that paraphrased the script were designed to give patients written information to take home. Each tape is shown once daily. The tape includes the pharmacy phone number and encourages patients to call the pharmacy to obtain a card. A pharmacist delivers the cards and reviews the information. In this program, information can be presented to a large number of patients with minimal use of pharmacists' time.

Drug Therapy↗
PubMed1984

Beyond the library walls: use of slow-scan television.

The Telecommunications Information Network (TIN) was an applied research project that evaluated the ability of slow-scan television to provide medical information on demand to health-care professionals at hospitals far from any urban area. This paper reviews the TIN project, describes its use, and discusses system advantages and disadvantages. System evaluation encompasses (1) project benefits; (2) technical barriers to implementation and utilization; (3) the replication of services and the technology utilized; and (4) cost factors.

Costs and Cost Analysis↗