A Patch can refer to several different things:

• A piece of fabric.
• An electrical cable (patch cord) which can be used to alter the functionality of a piece of electrical equipment, such as a musical synthesizer. This can be extended to virtual "patches" in software or electronics.
• A transdermal patch (such as a nicotine patch used to quit smoking, or a contraceptive patch used to prevent pregnancy)
• A telephone patch is any connection between a phone line and another communications device, whether it be a radio, a tape recorder, a data device (such as a modem), or even another phone line.
• In amateur radio, a phone patch connects transmitters or receivers to the phone line for phone conversations.
• An American_Kennel_Club registered name as well as a popular name to call a pet dog.
• Practice of compulsory figures in figure skating.
• An insignia used as an identification mark by members of gangs.

It has been suggested that Textile manufacturing be merged into this article or section. ... The term synthesizer is also used to mean frequency synthesizer, an electronic system found in communications, or video synthesizer. ... A transdermal patch is a medicated adhesive patch that is placed on the skin to deliver a time released dose of medication through the skin and into the bloodstream. ... A contraceptive patch is a transdermal patch applied to the skin that releases synthetic estrogen and progestin hormones to prevent pregnancy. ... Telephone This article is about telephone technology. ... // Communication is the process of exchanging information, usually via a common system of symbols. ... In general, a tape recorder, tape deck, cassette deck or tape machine is any device that records a fluctuating signal by moving a strip of magnetic tape across a tape head, which is a strong electromagnet. ... A modem (a portmanteau word constructed from modulator and demodulator) is a device that modulates a carrier signal to encode digital information, and also demodulates such a carrier signal to decode the transmitted information. ... Mrs. ... Telephone This article is about telephone technology. ... The American Kennel Club (or AKC) is the largest registry of purebred dog pedigrees in the United States. ... Pets and humans often contribute toward the happiness of the other in a pet relationship. ... Trinomial name Canis lupus familiaris (Linnaeus, 1758) The dog is a canine mammal of the Order Carnivora that has been domesticated for at least 24,800 years and perhaps for as long as 150,000 years based on recent evidence. ... Compulsory figures were a former aspect of the sport of figure skating, from which its name (in English) derives. ... Figure skating is an ice skating sporting event where individuals, mixed couples, or groups perform spins, jumps, and other moves on the ice, often to music. ... ... A gang is a group of individuals who share a common identity and, in current usage, engage in illegal activities. ...

Computing

• The name of a UNIX utility (written by Larry Wall) that applies a script generated by the diff program to a set of files, allowing changes from one file to be automatically applied to another file.
• A set of "diffs" (differences) suitable for input to the patch program. Patches are a common way of supplying small updates to pieces of software where the source code is available.
• A fix for a software program where the actual binary executable and related files are modified. See Patch (computing)
• A 3-D Bézier surface used in computer graphics. A primitive in some 3-D software packages.
• The name of an IBM utility to edit binary files (typically on mainframe installations, eg MVS).